Axiopsis caespitosa (Thalassinidea, Axiidae), a new species from the Pacific coast of Colombia

1979 ◽  
Vol 57 (8) ◽  
pp. 1584-1591 ◽  
Author(s):  
H. J. Squires
Keyword(s):  
New Species ◽  
South America ◽  
Pacific Coast ◽  
Smithsonian Institution ◽  
Median Carina ◽  
The Pacific ◽  
Female Holotype ◽  
Definition Of ◽  
A New Species ◽  
Strict Definition

Axiopsis (Axiopsis) caespitosa is a new species of the Axiidae from the Pacific coast of Colombia, South America. It has a carina on the carapace behind the cervical groove but is typically axiopsid. One specimen, the female holotype, was trawled in 90 m and is deposited in the Smithsonian Institution, Washington, D.C. The species appears to be the Pacific analogue of the Atlantic species A. (A.) hirsutimana. Differences are fewer spines on the median carina, on the rostrum, and at the transverse suture of the outer uropod, as well as two groups of three spines just behind the cervical groove. Several species of axiid named Calastacus are referred to the genus Axiopsis in view of a strict definition of the former.

A new species of Axiopsis (Axiopsis) (Thalassinidea, Axiidae) from the Pacific coast of Colombia

1977 ◽  
Vol 55 (11) ◽  
pp. 1885-1891
Author(s):  
H. J. Squires
Keyword(s):  
New Species ◽  
Pacific Coast ◽  
Smithsonian Institution ◽  
Posterior Edge ◽  
Female Paratypes ◽  
Total Length ◽  
The Pacific ◽  
A New Species

Axiopsis (Axiopsis) baronai is a new species of Thalassinidea (family Axiidae) from the Pacific coast of Colombia in depths of 5–9 m with soft mud substrate. A male holotype and three female paratypes are deposited in the Smithsonian Institution, Washington. D.C. Compared with other species of the genus it is large, reaching 94 mm total length (35 mm cl (measurement from the orbit to the posterior edge of the carapace in the midline dorsally)) in six specimens examined. It resembles A. (A.) consabrina but major differences include the similarity in size of first chelae. more spines on carinae of gastric region and only two or three spines laterally on the telson.

A new species of Loimopapillosum Hargis, 1955 (Monogenea: Monocotylidae) parasitizing Hypanus dipterurus (Myliobatiformes: Dasyatidae) off the Pacific coast of South America, and its phylogenetic relationships

2021 ◽  
Vol 95 ◽  
Author(s):  
J.D. Chero ◽  
C.L. Cruces ◽  
G. Sáez ◽  
A.G.L. Oliveira ◽  
C.P. Santos ◽  
...  
Keyword(s):  
New Species ◽  
South America ◽  
Pacific Coast ◽  
Male Copulatory Organ ◽  
Phylogenetic Analyses ◽  
Copulatory Organ ◽  
The Pacific ◽  
Northern Peru ◽  
A New Species ◽  
Single Testis

Abstract A new species of Loimopapillosum Hargis, 1955 is described based on specimens collected from the gills of the diamond stingray, Hypanus dipterurus (Jordan & Gilbert, 1880) (Myliobatiformes: Dasyatidae) captured off Puerto Pizarro, Tumbes Region, northern Peru. Loimopapillosum pascuali n. sp. is distinguished mainly from the type and only species, Loimopapillosum dasyatis Hargis, 1955, by its funnel-shaped male copulatory organ, with an asymmetrical base; the superficial root of the anchor with distal knobs; the deep root of the anchor with a constriction at its base; a single testis; and the number of head organs. Available sequences for members of Monocotylidae in the GenBank as well as partial sequences for the gene 28S and 18S ribosomal DNA from L. pascuali n. sp. were included in phylogenetic analyses, suggesting that Loimoinae (represented in this study by L. pascuali n. sp. and Loimosina sp.) is nested within the Monocotylidae Taschenberg, 1879. Therefore, we confirm the rejection of Loimoidae Price, 1936 and its reincorporation as a subfamily of Monocotylidae, as previously suggested. Loimopapillosum pascuali n. sp. represents the first species of this genus in South America.

A new species of Bacescuella Hrabĕ (Oligochaeta, Tubificidae) from the Pacific Coast of Canada

1982 ◽  
Vol 60 (8) ◽  
pp. 1951-1954 ◽  
Author(s):  
H. R. Baker ◽  
C. Erséus
Keyword(s):  
New Species ◽  
Pacific Coast ◽  
Copulatory Apparatus ◽  
The Pacific ◽  
Marine Littoral ◽  
Definition Of ◽  
A New Species

The marine, littoral Bacescuella labeosa sp. nov. is characterized by the presence of a copulatory apparatus unique within the Tubificidae as well as an unpaired dorsal spermatheca and external spermatophores. The definition of Bacescuella Hrabĕ is amended to include species with the male terminalia modified as lips and unstalked external spermatophores.

scholarly journals A new species of Bryconamericus (Characiformes, Stevardiinae, Characidae) from the Pacific coast of northwestern Ecuador, South America

2015 ◽  
Vol 38 (2) ◽  
pp. 241-252
Author(s):  
C. Román–Valencia ◽  
◽  
R. I. Ruiz-C. ◽  
D. C. Taphorn B. ◽  
P. Jiménez-Prado ◽  
...  
Keyword(s):  
New Species ◽  
South America ◽  
Pacific Coast ◽  
The Body ◽  
New Taxon ◽  
Caudal Peduncle ◽  
The Pacific ◽  
Layer 2 ◽  
Anterior Extension ◽  
A New Species

A new species of Bryconamericus (Characiformes, Characidae, Stevardiinae) is described from the Pacific coast of northwestern Ecuador, South America. The new species is distinguished from all congeners by the presence in males of bony hooks on the caudal fin rays (vs. absence). The different layers of pigment that constitute the humeral spots have differing degrees of development and structure that are independent of each other. Brown melanophores are distributed in a thin, vertical, superficial layer of the epithelium (layer 1) and in another deeper (layer 2) that overlaps the first and is centered over the lateral–line. B. ecuadorensis has a horizontally oval or elliptical shape layer 2 pigment in the anterior humeral spot (vs. a rectangular or circular layer 2). The new species further differs in having an anterior extension of the caudal peduncle spot (vs. no anterior extension of the caudal peduncle spot) and by having a dark lateral stripe overlaid by the peduncular spot and by the regularly distributed pigmentation on scales on the sides of the body (vs. peduncular spot and other body pigments not superimposed over a dark lateral stripe). Hooks present on all fins of males (vs. hooks present only on anal and pelvic fins of males) distinguishes the new species from B. dahli, the only sympatric congener. Seven other diagnostic characters separating the new taxon from B. dahli are reported. We also include physical, chemical and biological habitat parameters and analyse the impacts from mining on this new species and other organisms present at the type locality.

Studies on the Helminth Fauna of Japan Part 57. Nematodes of Fishes, III

1961 ◽  
Vol 35 (S1) ◽  
pp. 217-228 ◽  
Author(s):  
Satyu Yamaguti
Keyword(s):  
New Species ◽  
Sea Of Japan ◽  
Pacific Coast ◽  
Helminth Fauna ◽  
Marine Biological Laboratory ◽  
The Pacific ◽  
The World ◽  
Inland Sea Of Japan ◽  
A New Species ◽  
Marine Laboratory

It is my greatest pleasure and honour to contribute a part of the series of my studies on the helminth fauna of Japan in honour of Professor R. T. Leiper, one of the most distinguished helminthologists in the world. The material on which the present paper is based was collected at the Tamano Marine Laboratory of Okayama University on the Inland Sea of Japan except for a new species of Raphidascaroides which was taken by Mr. T. Yamamoto at the Marine Biological Laboratory, Kyoto University, on the Pacific coast of Wakayama Prefecture. Acknowledgments are due to the staff of the Tamano Marine Laboratory and also to Mr. Yamamoto for their generous supply of the material.

scholarly journals A new species of Leptogorgia (Cnidaria: Anthozoa: Octocorallia) from Golfo Dulce, Pacific, Costa Rica

Zootaxa ◽  
2012 ◽  
Vol 3182 (1) ◽  
pp. 65 ◽  
Author(s):  
ODALISCA BREEDY ◽  
HECTOR M. GUZMAN
Keyword(s):  
New Species ◽  
Costa Rica ◽  
Pacific Coast ◽  
Single Species ◽  
San Jose ◽  
Ongoing Research ◽  
Deep Waters ◽  
The Pacific ◽  
The Pacific Ocean ◽  
A New Species

The description of this single species is necessary to facilitate the publication of ongoing research conducted by Rita Vargas at the Museum of Zoology, University of Costa Rica, dealing with the associated microfauna. Presently 24 species of Leptogorgia have been reported for the eastern Pacific, 13 of which have been found in Costa Rica (Breedy & Cortés 2011). Although octocoral surveys have been conducted as part of biodiversity studies, there is no published information regarding the occurrence of this taxon in Golfo Dulce. Here we describe a new species of Leptogorgia and compare it with other Leptogorgia species with similar characteristics. Golfo Dulce is a bay located on the southern Pacific coast of Costa Rica. It is about 50 km long, 10–15 km wide, and covers an area of approximately 680 km². The inner part of Golfo Dulce has a maximum depth of slightly over 200 m with a 60 m deep sill at the opening to the Pacific Ocean (Cortés 1999). It has been considered a tropical fjord because of the bathymetry and the presence of anoxic deep waters (Cortés 1999, Svendsen et al. 2006). Specimens were collected by Scuba diving, preserved in 70% ethanol or air dried, and treated and identified following the current methodology (Breedy & Guzman 2002). The holotype and paratypes are deposited in the Museo de Zoología, Universidad de Costa Rica (MZUCR, formerly UCR), San José, P.O. Box 11501-2060, Costa Rica.

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