Reexamination of Corvospongilla novaeterrae (Porifera, Spongillidae), an environmentally restricted freshwater sponge from eastern Canada

1993 ◽  
Vol 71 (10) ◽  
pp. 1954-1962 ◽  
Author(s):  
Henry M. Reiswig ◽  
Anthony Ricciardi
Keyword(s):  
Eastern Coast ◽  
Freshwater Sponge ◽  
Species Status ◽  
Sea Salts ◽  
Type Specimens ◽  
Eastern Canada ◽  
Sexual Hybrid ◽  
Original Species ◽  
Atmospheric Inputs ◽  
Erroneous Interpretation

Corvospongilla novaeterrae (Potts, 1886) (Demospongiae, Spongillidae) is known only from a few acidic lakes on the eastern coast of Canada. It is considered by some to be a sexual hybrid and thus an invalid species. This assumption is based upon an erroneous interpretation of C. novaeterrae's highly variable gemmoscleres and the abundant of foreign spicules (predominantly those of Duosclera mackayi) in the type specimens. We have examined a new specimen from Nova Scotia that has no foreign spicules and fits the original species description. We evaluate three hypotheses concerning this species' status: (1) it is a hybrid of Corvomeyenia everetti and another species; (2) it is an unusual ecomorphic form of C. everetti resulting from atmospheric inputs of sea salts; (3) it is a valid Corvospongilla species, closely related to C. seckti, C. volkmeri, and C. boehmi. Corvospongilla novaeterrae's morphologically variable gemmoscleres are quite similar to those of C. seckti, C. volkmeri, and C. boehmi, and appear to be evolutionary transients between birotulates and amphioxea (as in Radiospongilla and Pectispongilla). Other characters linking C. novaeterrae with other Corvospongilla species include (i) large gemmules (diameter > 1000 μm) with simple multiple foramina, (ii) a weakly developed or absent pneumatic layer, (iii) the size and shape of the birotulate microscleres, and (iv) the predominantly rod-shaped, tangentially arranged gemmoscleres. Evidence supports the acceptance of C. novaeterrae as a valid, environmentally restricted species.

On the type locality of the steppe ribbon racer, Psammophis lineolatus (Brandt, 1838) (Serpentes: Lamprophiidae)

2020 ◽  
Vol 324 (2) ◽  
pp. 262-272
Author(s):  
I.V. Doronin ◽  
T.N. Dujsebayeva ◽  
K.M. Akhmedenov ◽  
A.G. Bakiev ◽  
K.N. Plakhov
Keyword(s):  
Caspian Sea ◽  
Type Specimen ◽  
Type Locality ◽  
Eastern Coast ◽  
Zoological Museum ◽  
Western Coast ◽  
The Caspian Sea ◽  
Original Species ◽  
Academy Of Sciences ◽  
Made In

The article specifies the type locality of the Steppe Ribbon Racer. The holotype Coluber (Taphrometopon) lineolatus Brandt, 1838 is stored in the reptile collection of the Zoological Institute of the Russian Academy of Sciences (ZISP No 2042). Literature sources provide different information about the type locality. A mistake has been made in the title of the work with the original species description: the western coast of the sea was indicated instead of the eastern one. The place of capture was indicated as “M. Caspium” (Caspian Sea) on the label and in the reptile inventory book of the Zoological Museum of the Academy of Sciences. The specimen was sent to the museum by G.S. Karelin. The “1842” indicated on the labels and in the inventory book cannot be the year of capture of the type specimen, just as the “1837” indicated by A.M. Nikolsky. In 1837, Karelin was in Saint Petersburg and in 1842 in Siberia. Most likely, 1837 is the year when the collection arrived at the Museum, and 1842 is the year when the information about the specimen was recorded in the inventory book (catalog) of the Zoological Museum of the Academy of Sciences. In our opinion, the holotype was caught in 1932. From Karelin’s travel notes of the expedition to the Caspian Sea in 1832, follows that the snake was recorded in two regions adjacent to the eastern coast of the Caspian Sea – Ungoza Mountain (“Mangyshlak Mountains”) and site of the Western Chink of Ustyurt between Zhamanairakty and Kyzyltas Mountains (inclusive) on the northeast coast of Kaydak Sor (“Misty Mountains”). In our article, Karelin’s route to the northeastern coast of the Caspian Sea in 1832 and photographs of these localities are given. The type locality of Psammophis lineolatus (Brandt, 1838) should be restricted to the Mangystau Region of the Kazakhstan: Ungoza Mountain south of Sarytash Gulf, Mangystau (Mangyshlak) Penninsula (44°26´ N, 51°12´ E).

scholarly journals The taxonomic history of Indo-Papuan groundsnakes, genus Stegonotus Duméril et al., 1854 (Colubridae), with some taxonomic revisions and the designation of a neotype for S. parvus (Meyer, 1874)

Zootaxa ◽  
2018 ◽  
Vol 4512 (1) ◽  
pp. 1
Author(s):  
CHRISTINE M. KAISER ◽  
HINRICH KAISER ◽  
MARK O’SHEA
Keyword(s):  
New Guinea ◽  
Molecular Data ◽  
The Philippines ◽  
Morphological Data ◽  
Valid Species ◽  
Museum Specimens ◽  
Type Specimens ◽  
History Of ◽  
Original Species ◽  
Species Specific

Since its conceptualization in 1854, 29 species of the colubrid genus Stegonotus have been recognized or described, of which 15 (admiraltiensis, batjanensis, borneensis, cucullatus, derooijae, diehli, florensis, guentheri, iridis, heterurus, melanolabiatus, modestus, muelleri, parvus, poechi) are still considered valid today. Original species descriptions for the members of this genus were published in Dutch, English, French, German, and Italian and, perhaps as a consequence of these polyglot origins, there has been a considerable amount of confusion over which species names should be applied to which populations of Stegonotus throughout its range across Borneo, the Philippines, Wallacea, New Guinea, Australia, and associated archipelagos. In addition, the terminology used to notate characteristics in the descriptions of these forms was not uniform and may have added to the taxonomic confusion. In this paper, we trace in detail the history of the type specimens, the species, and the synonyms currently associated with the genus Stegonotus and provide a basic, species-specific listing of their characteristics, derived from our examination of over 1500 museum specimens. Based on our data, we are able to limit the distribution of S. modestus to the islands of Ambon, Buru, and Seram in the central Moluccas of Indonesian Wallacea. We correct the type locality of S. cucullatus to the Manokwari area on the Bird’s Head Peninsula of West Papua, Indonesian New Guinea and designate a neotype for S. parvus, a species likely to be a regional endemic in the Schouten Archipelago of Cenderawasih Bay (formerly Geelvink Bay), Indonesian New Guinea. We unequivocally identify and explain the problematic localities of the type specimens of S. muelleri and Lycodon muelleri, which currently reside in the same specimen jar. We remove L. aruensis and L. lividum from the synonymy of S. modestus and recognize them as S. aruensis n. comb. and S. lividus n. comb., respectively. We remove S. keyensis and Zamenophis australis from the synonymy of S. cucullatus and recognize them as S. keyensis n. comb. and S. australis n. comb., respectively. We further remove S. reticulatus from the synonymy of S. cucullatus, S. dorsalis from the synonymy of S. diehli, and S. sutteri from the synonymy of S. florensis. We designate lectotypes for S. guentheri, S. heterurus, S. lividus, and S. reticulatus. Lastly, we introduce S. poechi, a valid species not mentioned in the scientific literature since its description in 1924. This brings the diversity in the genus Stegonotus to 22 species. We also caution that in a complex group of organisms like Stegonotus any rush to taxonomic judgment on the basis of molecular and incomplete morphological data sets may perpetuate errors and introduce incongruities. Only through the careful work of connecting type material with museum specimens and molecular data can the taxonomy and nomenclature of complex taxa be stabilized. 

Revision of Cardiophorus (Coleoptera: Elateridae) species of eastern Canada and United States of America

2003 ◽  
Vol 135 (4) ◽  
pp. 493-548 ◽  
Author(s):  
Hume Douglas
Keyword(s):  
United States ◽  
United States Of America ◽  
Rocky Mountains ◽  
The United States ◽  
Type Specimens ◽  
Eastern Canada ◽  
Distribution Maps ◽  
Eleven Species

AbstractAll Cardiophorus species found in Canada and the United States of America east of the Rocky Mountains are keyed and all but those with the majority of their ranges west of the Rocky Mountains are revised. Eleven species are recognized, three of which are new to science (C. catskillensissp. nov., C. destinensissp. nov., and C. panamapolissp. nov.). Cardiophorus floridae Candèze and C. angustatus Blanchard are synonymized under C. convexus (Say). All 11 are described and taxonomically important characters are presented. Distribution maps are presented for each species. The following lectotypes are designated for species that were described from more than one specimen without former holotype designation: C. angustatus, C. floridae, C. erythropus Erichson, C. gagates Erichson, C. togatus Horn, C. robustus LeConte, C. convexulus LeConte, and C. amictus Melsheimer. The following neotypes were designated to replace destroyed type specimens: C. cardisce (Say) and C. convexus.

Recharacterisation and photo-documentation of five North American Bursaphelenchus species from C.L. Massey’s type material

Nematology ◽  
2016 ◽  
Vol 18 (3) ◽  
pp. 311-336 ◽  
Author(s):  
Natsumi Kanzaki ◽  
Robin M. Giblin-Davis ◽  
Barbara J. Center
Keyword(s):  
Species Complex ◽  
Morphological Traits ◽  
Morphological Characters ◽  
Female Characters ◽  
Species Status ◽  
Type Specimens ◽  
Lateral Field ◽  
Female Tail ◽  
Photo Documentation ◽  
The Status

The type specimens of fiveBursaphelenchusspecies described by Massey,i.e.,B. bestiolus,B. corneolus,B. elytrus,B. newmexicanusandB. wilfordi, were re-examined and photo-documented to update their descriptions in light of a contemporary understanding of the genus. The presence of a lateral field, basal swelling of stylet, P1 ventral single papilla of males and a pair of three-celled structures in females, which were not described or mentioned in the original descriptions, were observed, although the number of lateral incisures were not clarified because of sample condition. Within these five species, the intrageneric groupings ofB. bestiolusandB. wilfordihad been unclear. In the present study, because of newly observed morphological characters,B. bestiolusis considered to belong to thehofmanni-group, and is close toB. talonusandB. rufipennis. These three species form a species complex and are distinguished from each other only by female tail morphology. The species status ofB. wilfordiis still unclear, although, based on spicule morphology and structure and arrangement of genital papillae, we consider it to belong to thehofmanni-group, close toB. parvispicularis,B. paraparvispicularisandB. osumiana. However, female characters ofB. wilfordiare also similar to members of thecocophilus-group andParasitaphelenchus. Re-isolation and molecular identification are necessary to confirm the status of these species. By contrast, the affiliations ofB. corneoluswith thehofmanni-group andB. elytrusandB. newmexicanuswith theeggersi-group were confirmed. Based upon its morphological traits,B. corneolusis close toB. gerberaeandB. paracorneolus, and is distinguished from these species by its spicule morphology, female tail morphology and female post-uterine sac length. However, male specimens ofB. corneoluswere not available for the present study and confirmation is necessary.Bursaphelenchus elytrusis similar toB. tusciaeand is distinguished from it by its spicule (condylus) morphology and excretory pore position.Bursaphelenchus newmexicanusis close toB. glochisand is distinguished from it mostly by morphometrics and spicule (condylus) morphology. However, morphometrics usually vary among individuals and populations of a species, necessitating morphometric and molecular comparisons of more isolates (strains) in order to clarify specific status.

Description of Gyrodactylus micropteri n.sp. from Micropterus dolomieui in Lake Huron, with a review of the taxonomy of species of Gyrodactylus (Monogenea) parasitizing centrarchid fishes in North America

1987 ◽  
Vol 65 (6) ◽  
pp. 1337-1339 ◽  
Author(s):  
K. J. Nicola ◽  
D. K. Cone
Keyword(s):  
North America ◽  
Lepomis Macrochirus ◽  
Marginal Hook ◽  
Lake Huron ◽  
Lepomis Gibbosus ◽  
Type Specimens ◽  
Micropterus Dolomieui ◽  
Original Species ◽  
Species Specific ◽  
Centrarchid Fishes

An extensive collection of Gyrodactylus from centrarchid fishes in Ontario is examined. Gyrodactylus goerani Hanek and Fernando, 1971 is recorded from Ambloplites rupestris in Lake Ontario and Lepomis gibbosus, Lepomis macrochirus, and Pomoxis sp. in Lake Erie. Gyrodactylus macrochiri Hoffman and Putz, 1964 is recorded from L. gibbosus in Algonquin Park. Gyrodactylus micropteri n.sp. is described from Micropterus dolomieui in Lake Huron. The new species has a marginal hook sickle with a blade that toward its tip curves substantially inward. Examination of type specimens of G. goerani, G. macrochiri, and three other species specific to centrarchid fishes in North America (Gyrodactylus gloriosi Rogers, 1968, Gyrodactylus heterodactylus Rogers and Wellborn, 1965, and Gyrodactylus lineadactylus Wellborn, 1967) revealed that the original species descriptions are inadequate with respect to the diagnostically important marginal hook sickles. The haptoral sclerites of these species are redrawn.

XXX.—Salmon (Salmo salar) of the River Moisie (Eastern Canada)

1926 ◽  
Vol 45 (4) ◽  
pp. 334-345 ◽  
Author(s):  
W. J. M. Menzies
Keyword(s):  
United States ◽  
Great Britain ◽  
Salmo Salar ◽  
The United States ◽  
European Countries ◽  
Eastern Coast ◽  
British Isles ◽  
Subsequent Growth ◽  
Eastern Canada ◽  
Made In

Included in the area of distribution of Salmo salar are the western coasts of Europe as far south as the Franco-Spanish border as well as the British Isles and Iceland, and, in addition, the eastern coast of Canada and the United States down to the State of Maine. A very large number of investigations have been made in Great Britain and various European countries, both by marking the fish in order to trace their subsequent growth and movements, and by reading their age and history from the scales. Length calculations from scale measurements have also been made in Scotland, Norway, and Sweden.

scholarly journals Cercopoidea types (Hemiptera-Cicadomorpha) housed at the Museo de la Plata entomological collection (Argentina)

2019 ◽  
Vol 59 ◽  
pp. e20195916
Author(s):  
Alvaro Foieri ◽  
Ana Maria Marino de Remes Lenicov
Keyword(s):  
The State ◽  
Type Material ◽  
Type Specimens ◽  
La Plata ◽  
Label Information ◽  
Original Species

Type material of 11 species from seven genera of Cercopoidea is housed at the Entomology Division of the Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata. The types listed herein correspond to species described by C. Berg (10 spp.) and Lallemand (1 sp.). The collection contains 24 type specimens. Lectotype and paralectotypes of Deois (Deois) knoblauchii (Berg), Kanaima katzensteinii (Berg), Mahanarva (Ipiranga) aguirrei (Berg), Tomaspis argentina Berg [= Deois terrea (Germar)], T. perezii Berg [= Deois terrea (Germar)] and T. platensis Berg are designated. Comparison of their original descriptions with the label information supports the existence of 2 holotypes, 6 lectotypes, 10 paralectotypes and 6 syntypes. The following information is given for each species: original species names, taxonomic catalogue, bibliographic references, type category, number of specimens, gender, Museo de La Plata code numbers, and transcription of data from labels (country, province, locality, date of collection, collector’s name, and hosts). Information about subsequent nomenclatural changes with corresponding references, the state of preservation of the specimens in each series and pictures of each species are also provided.

scholarly journals High variability of dissolved iron concentrations in the vicinity of Kerguelen Island (Southern Ocean)

2015 ◽  
Vol 12 (1) ◽  
pp. 231-270 ◽  
Author(s):  
F. Quéroué ◽  
G. Sarthou ◽  
H. F. Planquette ◽  
E. Bucciarelli ◽  
F. Chever ◽  
...  
Keyword(s):  
Southern Ocean ◽  
Sediment Resuspension ◽  
Polar Front ◽  
High Variability ◽  
Eastern Coast ◽  
Water Release ◽  
Kerguelen Island ◽  
The North ◽  
Atmospheric Inputs ◽  
Lateral Advection

Abstract. Dissolved Fe (dFe) concentrations were measured in the upper 1300 m of the water column in the vicinity of Kerguelen Island as part of the second Kerguelen Ocean Plateau compared Study (KEOPS2). Concentrations ranged from 0.06 nmol L−1 in offshore, Southern Ocean waters, to 3.82 nmol L−1 within Hillsborough Bay, on the north-eastern coast of Kerguelen Island. Direct island runoff, glacial melting and resuspended sediments were identified as important inputs of dFe that could potentially fertilize the northern part of the plateau. A significant deep dFe enrichment was observed over the plateau with dFe concentrations increasing up to 1.30 nmol L−1 close to the seafloor, probably due to sediment resuspension and pore water release. Biological uptake was identified as a likely explanation for the decrease in dFe concentrations between two visits (28 days apart) at a station above the plateau. Our results allowed studying other processes and sources, such as atmospheric inputs, lateral advection of enriched seawater, remineralization processes and the influence of the Polar Front (PF) as a vector for Fe transport. Overall, heterogeneous sources of Fe over and off the Kerguelen Plateau, in addition to strong variability in Fe supply by vertical or horizontal transport, may explain the high variability in dFe concentrations observed during this study.

The systematic status of the Ramphotyphlops flaviventer (Peters) complex (Serpentes: Typhlopidae)

1996 ◽  
Vol 17 (4) ◽  
pp. 341-359 ◽  
Author(s):  
V. Wallach
Keyword(s):  
External Morphology ◽  
Valid Species ◽  
Species Status ◽  
Type Specimens ◽  
Allopatric Populations ◽  
Systematic Status ◽  
Preliminary Identification ◽  
Internal Morphology ◽  
Full Species ◽  
The Status

AbstractAn examination of the type specimens of Typhlops aluensis Boulenger, T. buehleri Hediger, T. depressus Peters, T. flaviventer Peters, T. philococos Wemer, T similis Brongersma, and T. supranasalis Brongersma, in conjunction with external and internal morphology, indicates that Ramphotyphlops flaviventer (sensu McDowell) consists of two easily recognizable allopatric populations here considered as valid species, a western one referred to R. flaviventer and an eastern one referred to R. depressus. Two additional taxa (R. similis and R. supranasalis), closely related to R. flaviventer, appear to deserve recognition. Ramphotyphlops similis is distinct from R. flaviventer in external morphology and thus elevated to full species status. The status of R. supranasalis is debatable but it is provisionally treated as a full species based upon discrete supranasals and an insular distribution. A taxonomic synopsis and preliminary identification key to the Ramphotyphlops flaviventer complex are provided.

Chigger mites (Acariformes: Trombiculidae) of Iran

Zootaxa ◽  
2019 ◽  
Vol 4549 (1) ◽  
pp. 1 ◽  
Author(s):  
ALEXANDR A. STEKOLNIKOV ◽  
ALIREZA SABOORI ◽  
MOHSEN SHAMSI ◽  
MASOUD HAKIMITABAR
Keyword(s):  
Statistical Methods ◽  
Reference Data ◽  
Online Resources ◽  
Zoological Museum ◽  
Systematic Bias ◽  
New Combinations ◽  
Key To Species ◽  
Type Specimens ◽  
Original Species ◽  
Species Descriptions

Chigger mites of Iran have been revised based on examination of type materials in the collection of Zoological Museum of Moscow University and reference data. Hitherto, 85 species of trombiculids were recorded in Iran; synonymy, diagnoses, data on depositories of type specimens, lists of hosts and collection localities are given for each species. Original measurements of holotypes or paratypes are provided for 46 species. Four new combinations are proposed: Ornithogastia merops (Vercammen-Grandjean, Rohde and Mesghali, 1970) comb. nov., transferred from Guntherana; O. oenanthe (Vercammen-Grandjean, Rohde and Mesghali, 1970) comb. nov., transferred from Guntherana; Microtrombicula galerida (Vercammen-Grandjean, Rohde and Mesghali, 1970), comb. nov., transferred from Eltonella; and M. meriones (Vercammen-Grandjean, Rohde and Mesghali, 1970), comb. nov., transferred from Eltonella. Comparison of our measurements of holotypes with those given in the original species descriptions published by Kudryashova was carried out using statistical methods to establish probable systematic bias between metric data obtained by different researchers. A key to species of Iranian trombiculid larvae is compiled. With the use of public geoinformation online resources, actual names and coordinates were established for all 48 sites of Iran where chigger mites were collected. 

Sign in / Sign up

Export Citation Format

Share Document