Larsen, K., & Heard, R.W. (2001). A new tanaidacean subfamily, Bathytanaidinae (Crustacea: Paratanaididae), from the Australian continental shelf and slope. Zootaxa. 19: 1-22.

166401

Larsen, K., & Heard, R.W.

2001

19: 1-22

Publication

Four new species of the paratanaid genera Bathytanais Beddard and Pseudobathytanais Kudinova- Pasternak are described from Australia. Bathytanais culterformis and B. arenamans were found on the northwestern continental shelf off western Australia. Bathytanais fragilis and Pseudobathytanais gibberosus are described from the southeastern Australian continental slope. Bathytanais and Pseudobathytanais are placed in the new subfamily Bathytanaidinae, which repre- sents a group of highly derived tanaidomorphs with uniquely modified long setulated setae on the antennule and antenna. The new subfamily is further characterized by having a well-developed, anteriorly directed, epistomal process. The distinctive morphology of the antennule and antennae indicate that members of the Bathytanaidinae have evolved as suspension or filter feeders. A key to the species within the Bathytanaidinae is presented. An unidentified tantulocarid crustacean para- site occurred on the pleotelson of two specimens of P. gibberosus, constituting the first host record on a member of the Paratanaididae.

Australia

Tanaidacea

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