The first paucitubulatine chaetonotid gastrotrichs are reported from tbc Gulf of Mexico. Chaetonotus triacanthus n. sp. and Heteroxenotrichula texana n. sp. are described from sandy sediment collected along the northern part of Padre Island, Texas, U.S.A. C. triacanthus is characterized by sbort lamella-bearing spines on tbc dorsal side of head and neck, three long spines on the dorsal posterior end, and a pair of three-keeled scales on tbc furcal base. H. texana belongs to the "subterranea Il -species group, and is characterized by pedunculated scales that cover the posterior half of the ventral side.
Chaetonotus triacanthus and Heteroxenotrichula texana, two new chaetonotid gastrotrichs from the Gulf of Mexico / Todaro, Mary Antonio Donatello. - In: TRANSACTIONS OF THE AMERICAN MICROSCOPICAL SOCIETY. - ISSN 0003-0023. - STAMPA. - 113:(1994), pp. 15-21.
Chaetonotus triacanthus and Heteroxenotrichula texana, two new chaetonotid gastrotrichs from the Gulf of Mexico
TODARO, Mary Antonio Donatello
1994
Abstract
The first paucitubulatine chaetonotid gastrotrichs are reported from tbc Gulf of Mexico. Chaetonotus triacanthus n. sp. and Heteroxenotrichula texana n. sp. are described from sandy sediment collected along the northern part of Padre Island, Texas, U.S.A. C. triacanthus is characterized by sbort lamella-bearing spines on tbc dorsal side of head and neck, three long spines on the dorsal posterior end, and a pair of three-keeled scales on tbc furcal base. H. texana belongs to the "subterranea Il -species group, and is characterized by pedunculated scales that cover the posterior half of the ventral side.
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