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Tanaidacea (Crustacea: Peracardia) Of The Gulf Of Mexico. X. The Question Of Being Male, Kim Larsen
Tanaidacea (Crustacea: Peracardia) Of The Gulf Of Mexico. X. The Question Of Being Male, Kim Larsen
Gulf and Caribbean Research
Three new species Parafilitanais mexicana, Collettea elongata, and Paragathotanais medius are described from deep-sea localities in the Gulf of Mexico. The male of Parafilitanais does not vary conspicuously from the female, except for possessing pleopods. Male Paragathotanais reveal that the mouthparts display some degree of sexual dimorphism. Males of all 3 species possess functional mouthparts. The problems identifying male Tanaidacea are discussed. The number of terminal spiniform setae on the maxillule is considered invalid as a diagnostic character. Keys to the species of Parafilitanais and Paragathotanais are given.
Tanapseudes Gutui, A New Species Of Apseudomorphan Tanaidacea (Crustacea: Peracarida) From The Caribbean Sea And The Taxonomic Status Of The Family Tanapseudidae Băcescu, Thomas Hansknecht, Richard W. Heard, Roger Bamber
Tanapseudes Gutui, A New Species Of Apseudomorphan Tanaidacea (Crustacea: Peracarida) From The Caribbean Sea And The Taxonomic Status Of The Family Tanapseudidae Băcescu, Thomas Hansknecht, Richard W. Heard, Roger Bamber
Gulf and Caribbean Research
Tanapseudes gutui, n. sp., is described from depths of 3–34 m off San Juan, Puerto Rico, and 4– 5 m off Goat Island, Tobago. Tanapseudes sinensis Bamber from Hong Kong waters is re-examined and determined to represent a junior synonym of the type species T. ormuzana Băcescu which was originally collected in the Straights of Hormuz off Iran. Tanapseudes gutui can be distinguished from T. ormuzana by several characters including details of the mouth parts, the presence of a reduced spiniform seta on the distotergal margin of the propodus of pereopod 1, pereonites 3–6 with rounded anterior margins, and …