Four New Species of Paraorygmatobothrium (Eucestoda: Phyllobothriidea) from Sharks of the Gulf of Mexico and the Atlantic Ocean, with Comments on Their Host Specificity

2020 ◽  
Vol 106 (1) ◽  
pp. 133 ◽  
Author(s):  
T. R. Ruhnke ◽  
V. Daniel ◽  
K. Jensen
Keyword(s):  
New Species ◽  
Atlantic Ocean ◽  
Gulf Of Mexico ◽  
Host Specificity

New species of Pseudonereis Kinberg, 1865 (Polychaeta: Nereididae) from the Atlantic Ocean, and a review of paragnath morphology and methodology

Zootaxa ◽  
2018 ◽  
Vol 4471 (2) ◽  
pp. 245 ◽  
Author(s):  
VÍCTOR M. CONDE-VELA
Keyword(s):  
New Species ◽  
Atlantic Ocean ◽  
Gulf Of Mexico ◽  
Caribbean Sea ◽  
Distinct Species ◽  
Eastern Pacific ◽  
Type Locality ◽  
Gulf Of Guinea ◽  
Undescribed Species ◽  
The Caribbean

Pseudonereis gallapagensis Kinberg, 1865 and P. variegata (Grube & Kröyer in Grube, 1858) are the only two species of this genus commonly recorded along Atlantic American coasts, but their type localities are in the Eastern Pacific, and their morphology differs. Two new Pseudonereis species are described from Eastern Mexico: P. brunnea sp. n. from the Gulf of Mexico, and P. citrina sp. n. from the Caribbean Sea, previously confused with P. gallapagensis. In order to facilitate comparisons, descriptions based on specimens from near the type locality for P. gallapagensis (Peru and Ecuador), and topotypes for P. variegata (Valparaiso, Chile), are included. Based on these comparisons and current descriptions, the synonymies of Nereis ferox Hansen, 1882 described from Brazil with P. variegata, and of Pseudonereis formosa Kinberg, 1865 described from Hawaii with P. gallapagensis, are rejected. Consequently, both are regarded as distinct species and revised diagnoses are provided for them. The record of P. ferox from the Gulf of Guinea proved to be an undescribed species, and is herein described as P. fauveli sp. n. The number of paragnath rows in nereidid pharynx areas VII–VIII has been interpreted in several ways, leading to confusion; an alternative method to determine the number of bands and rows is proposed. The midventral region, the division of areas VII–VIII in furrow and ridge regions, and the description of the arrangement based on the pattern of paragnaths in such regions, are proposed. Further, the terms shield-shaped and pointed (P-bars) bars are redefined, and a new term, crescent-shaped bars, is proposed for paragnaths in the areas VI in some Pseudonereis and Perinereis species. A key for all Pseudonereis species is also included. 

scholarly journals A new species of the remarkable brittle star genus Astrophiura (Echinodermata: Ophiuroidea) from the western Atlantic Ocean

Zootaxa ◽  
2018 ◽  
Vol 4378 (2) ◽  
pp. 257 ◽  
Author(s):  
DAVID L. PAWSON
Keyword(s):  
New Species ◽  
Atlantic Ocean ◽  
Gulf Of Mexico ◽  
Dorsal Surface ◽  
Western Atlantic ◽  
Disc Diameter ◽  
Southern Caribbean ◽  
Bright Orange ◽  
A New Species

Astrophiura caroleae, new species, is described from off Curacao in the southern Caribbean, and from the western Gulf of Mexico, in depths of 244 to 434 meters. This new species, the first in the genus Astrophiura to be described from the Atlantic Ocean, has a distinctive combination of characters, including regularly arranged primary plates, large radial shields whose radial edges are in contact for their entire visible length, and prominent tubercles on central and radial plates. The mottled reddish coloration of the dorsal surface of this species usually contrasts with the color of the substratum, rendering it readily visible in situ, despite its disc diameter of less than 10 mm. Like its congeners, A. caroleae is gonochoric, the gonads of females containing conspicuous masses of bright orange eggs that are approximately 165 µm in diameter. DNA Barcoding data are provided for this new species, these are the first for Astrophiura. 

Apocuma (Cumacea: Bodotriidae): two new species from the West-Atlantic and a significant extension of the known distribution of this genus in the Atlantic Ocean

Zootaxa ◽  
2012 ◽  
Vol 3436 (1) ◽  
pp. 24
Author(s):  
DANIEL ROCCATAGLIATA ◽  
NATALIA A. ALBERICO ◽  
RICHARD W. HEARD
Keyword(s):  
New Species ◽  
Atlantic Ocean ◽  
Gulf Of Mexico ◽  
The West ◽  
Two New Species ◽  
Significant Extension

Two new species of the genus Apocuma are described and illustrated: A. gerkenae n. sp. and Apocuma iorgui n. sp. Bothspecies were found off the coast of Brazil, but A. gerkenae was also recorded off the coasts of Georgia and Florida (bothon the Atlantic Ocean and in the Gulf of Mexico). Additionally, specimens of A. brasiliense collected off the coast of Riode Janeiro were examined. These three species differ mainly by (1) the presence / absence of a rudimentary exopod on thethird pereopod of the female, (2) the sculpture of the carapace, and (3) the uropod setation. The distribution of this genusin the Atlantic Ocean is substantially extended based mainly on an unpublished database compiled by the late Norman S. Jones.

A new Western North Atlantic Ocean kitefin shark (Squaliformes: Dalatiidae) from the Gulf of Mexico

Zootaxa ◽  
2019 ◽  
Vol 4619 (1) ◽  
pp. 109-120 ◽  
Author(s):  
MARK A. GRACE ◽  
MICHAEL H. DOOSEY ◽  
JOHN S. S. DENTON ◽  
GAVIN J. P. NAYLOR ◽  
HENRY L. Jr. BART ◽  
...  
Keyword(s):  
New Species ◽  
Atlantic Ocean ◽  
Gulf Of Mexico ◽  
North Atlantic ◽  
North Atlantic Ocean ◽  
The Body ◽  
Diagnostic Features ◽  
South Pacific Ocean ◽  
Pit Organ ◽  
Distinguishing Features

A new species of kitefin shark (Squaliformes; Dalatiidae) is described from the Gulf of Mexico (Western North Atlantic Ocean) based on five diagnostic features not seen on the only other known Mollisquama specimen, the holotype of Mollisquama parini Dolganov which was captured in the Eastern South Pacific Ocean. The new species, Mollisquama mississippiensis sp. nov., is distinguished from its congener by a putative pit organ located ventrally just posterior of the lower jaw margin center, photophores irregularly distributed along many areas of the body, 16 distinct ventral-abdominal photophore aggregations, and two differences associated with the dentition. Other potential distinguishing features are 10 fewer vertebrae than Mollisquama parini and six morphometric proportional differences that exceeded +/- 20% from the holotype. 

Western Atlantic Prochaetodermatidae from 35°N south to the Argentine Basin including the Gulf of Mexico (Mollusca: Aplacophora)

Zootaxa ◽  
2008 ◽  
Vol 1885 (1) ◽  
pp. 1 ◽  
Author(s):  
DMITRY L. IVANOVA ◽  
AMÉLIE H. SCHELTEMA
Keyword(s):  
North Carolina ◽  
New Species ◽  
Atlantic Ocean ◽  
Gulf Of Mexico ◽  
Mediterranean Sea ◽  
Western Atlantic ◽  
Western Atlantic Ocean ◽  
Eastern Atlantic Ocean ◽  
Argentine Basin ◽  
Made In

Nine new species of Prochaetodermatidae from the western Atlantic Ocean south of 35°N (off North Carolina, off eastern Florida, Gulf of Mexico, Guiana Basin, Argentine Basin) are described: Chevroderma cuspidatum, Claviderma amplum, Cl. compactum, Cl. crassum, Cl. mexicanum, Prochaetoderma gilrowei, Niteomica captainkiddae, Spathoderma bulbosum, and S. quadratum. Four species are endemics, C. cuspidatum and S. quadratum, Gulf of Mexico; Cl. crassum, Guiana Basin, and Cl. compactum, Argentine Basin. Added to those described earlier for the northwestern, northern, and eastern Atlantic Ocean and Mediterranean Sea (Scheltema 1985; Scheltema & Ivanov 2000), they complete the descriptions of all Atlantic prochaetodermatid species known to us. Two previously described species are amphi-Atlantic: S. grossum Scheltema & Ivanov, described from the eastern Atlantic, was found in the collections made in the Guiana and Argentine Basins, and Ch. turnerae Scheltema, which had already been described from the northwestern and eastern Atlantic and the Argentine Basin, was not found in the Guiana Basin material.

Uroptychus atlanticus, a new species of squat lobster (Crustacea: Decapoda: Anomura: Chirostylidae) from the western Atlantic Ocean

Zootaxa ◽  
2017 ◽  
Vol 4227 (2) ◽  
pp. 295
Author(s):  
KEIJI BABA ◽  
MARY K. WICKSTEN
Keyword(s):  
New Species ◽  
Atlantic Ocean ◽  
Gulf Of Mexico ◽  
Female Specimen ◽  
Western Atlantic ◽  
Squat Lobster ◽  
Western Atlantic Ocean ◽  
A New Species

A new species of squat lobster, Uroptychus atlanticus, is described on the basis of a female specimen taken at a depth of 713–841 m in the southeastern Gulf of Mexico. The new species is readily distinguished from all known species of the genus from the western Atlantic by the very spinose carapace and pereopods, and a transverse row of spines on each of the abdominal tergites 1 and 2. 

scholarly journals Partial revision of Scolelepis (Polychaeta: Spionidae) from the Grand Caribbean Region, with the description of two new species and a key to species recorded in the area

2006 ◽  
Vol 75 (01-02) ◽  
pp. 75-97 ◽  
Author(s):  
Víctor Hugo Delgado-Blas
Keyword(s):  
New Species ◽  
Atlantic Ocean ◽  
Gulf Of Mexico ◽  
Caribbean Region ◽  
Key To Species ◽  
Western Atlantic ◽  
Western Atlantic Ocean ◽  
Two New Species ◽  
Partial Revision

Five Scolelepisspecies from the Gulf of Mexico and Western Atlantic Ocean are reported and certain species previously synonymized with Scolelepis(S.) squamataare revised. Four species are reinstated: S.(S.) goodbodyi(Jones, 1962), S.(S.) minuta(Treadwell, 1939), S.(S.) acuta(Treadwell, 1914), and S.(S.) agilis(Verrill, 1873); and two are described as new: S.(S.) lightin. sp., and S.(S.) vossaen. sp. Scolelepis(Scolelepis) goodbodyi(Jones, 1962) n. comb., S.(S.) minuta(Treadwell, 1939) n. comb., S.(S.) acuta(Treadwell, 1914), and S.(S.) agilis(Verrill, 1873) are removed from synonymy with S.(S.) squamataMüller, 1806. The record of Scolelepis(P.) texanaFoster, 1971 from the Grand Caribbean region is confirmed. A key to all Scolelepisspecies from the Grand Caribbean is provided.

Bougainvillia aberrans (Cnidaria, Hydrozoa), a new species of hydroid and medusa from the upper bathyal zone off Bermuda

1993 ◽  
Vol 71 (5) ◽  
pp. 997-1002 ◽  
Author(s):  
Dale R. Calder
Keyword(s):  
New Species ◽  
Atlantic Ocean ◽  
North Atlantic ◽  
Deep Water ◽  
North Atlantic Ocean ◽  
Deep Water Species ◽  
A New Species ◽  
Water Species

Bougainvillia aberrans n.sp. is described from Bermuda in the western North Atlantic Ocean. Specimens were collected at a depth of 150 fathoms (274 m) from the polypropylene buoy line of a crab trap. The hydroid colony of B. aberrans is erect, with a polysiphonic hydrocaulus, a smooth to somewhat wrinkled perisarc, hydranths having a maximum of about 16 tentacles, and medusa buds arising only from hydranth pedicels. Medusae liberated in the laboratory from these hydroids differ from all other known species of the genus in having a long, spindle-shaped manubrium, lacking oral tentacles, having marginal tentacles reduced to mere stubs, and being very short-lived (surviving for a few hours at most). Gonads develop in medusa buds while they are still attached to the hydroids, and gametes are shed either prior to liberation of the medusae or shortly thereafter. The eggs are surrounded by an envelope bearing nematocysts (heterotrichous microbasic euryteles). The cnidome of both hydroid and medusa stages consists of desmonemes and heterotrichous microbasic euryteles. The diagnosis of the genus Bougainvillia is modified to accommodate this new deep-water species.

Sign in / Sign up

Export Citation Format

Share Document