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Namalycastis occulta n. sp. and a new record of N. borealis (Polychaeta: Nereididae: Namanereidinae) from the Northwestern Caribbean Sea.
TLDR
The nereidid polychaete genus Namalycastis Hartman, 1959 has been recorded almost exclusively in non-marine environments, and its species mainly differ by the relative size of dorsal cirri in posterior chaetigers. Expand
New species of Pseudonereis Kinberg, 1865 (Polychaeta: Nereididae) from the Atlantic Ocean, and a review of paragnath morphology and methodology.
TLDR
Pseudonereis gallapagensis and variegata are regarded as distinct species and revised diagnoses are provided for them, and 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 Pseudoneres and Perinereis species. Expand
Redescriptions of Nereis oligohalina (Rioja, 1946) and N. garwoodi González-Escalante & Salazar-Vallejo, 2003 and description of N. confusa sp. n. (Annelida, Nereididae)
TLDR
Type material of several polychaete species described by Enrique Rioja from Mexican coasts are lost, and the current status of some species is doubtful, so Nereis oligohalina is redescribed based on specimens from the Mexican Gulf of Mexico, including a proposed neotype. Expand
Reevaluation and New Species of Kainonereis Chamberlin, 1919 (Annelida: Polychaeta: Nereididae).
TLDR
Kainonereis Chamberlin, 1919 was proposed to include only one species, K. alata, but is regarded as a valid genus given that the elytriform structures, or dorsal discs, together with a set of diagnostic features, are consistent in structure and position in all epitokes examined and are regarded as homologous structures delineating Kain onereis. Expand
The troglomorphic adaptations of Namanereidinae (Annelida, Nereididae) revisited, including a redescription of Namanereis cavernicola (Solís-Weiss & Espinasa, 1991), and a new Caribbean species of
TLDR
A new species belonging to the stygobiont Namanereis group is described here; it shares the common morphological characters of absence of eyes and pigmentation, bi%d jaws, elongation of chaetae and cirri, which have been recently regarded as troglomorphies. Expand
Re-evaluation of the morphology of the monotypic genera Lycastonereis Rao, 1981 and Ganganereis Misra, 1999 (Annelida, Phyllodocida, Nereididae).
The monotypic genera Lycastonereis Rao, 1981 and Ganganereis Misra, 1999, and their respective species L. indica Rao, 1981 and G. sootai Misra, 1999, have unique morphological traits, and are onlyExpand
Revision of Laeonereis Hartman, 1945 (Annelida: Phyllodocida: Gymnonereidinae), with a review of shaft morphology in nereidids
TLDR
It is shown that Laeonereis species have a similar glandular pattern in the notopodial dorsal ligules, herein called pedal glands, reinforcing the differences among closely related species. Expand
Sinkhole and brackish water nereidid polychaetes: Revision of Stenoninereis Wesenberg-Lund, 1958 (Annelida)
Stenoninereis species are nereidids with a small body (ca. 35 chaetigers), dorsal cirri with conspicuous cirrophores and cirrostyles, bare pharynx, and lack of neuropodial ventral ligules throughoutExpand