期刊
JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM
卷 90, 期 5, 页码 1055-1063出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0025315409991317
关键词
Amphipoda; Eophliantidae; Bircenna macayai; new species; Carpophyllum maschalocarpum; functional morphology; algal-dwelling; biogeography; New Zealand; Australasia; evolutionary centre
资金
- ISAT [ISATA08-31]
- NIWA
- NIWA [CO01X0502]
Eophliantidae are poorly studied marine algal-dwelling amphipods with a wide distribution. A new species was found to excavate burrows across the main stem of Carpophyllum maschalocarpum (Turner) Grey, in the New Zealand subtidal, and a detailed morphological description of this amphipod is given. Bircenna macayai sp. nov. can be distinguished from other Bircenna species by a combination of the following characters: bibbed coxa 1, merus and carpus of pereopods 5 7 strongly extended posteriorly, crenulate basis of pereopod 7 and smooth posterior margin of epimeron 3, pereopod 7 basis longer than wide. A key to the fourteen world species of Eophliantidae is provided. Taxonomy, evolutionary sequences, functional morphology and biogeography of the Eophliantidae are briefly discussed. New Zealand and Australian shallow waters show the highest species diversity of Eophliantidae, containing both species bearing plesiomorphic and highly derived characters, suggesting that Australasia is an evolutionary centre for this amphipod family.
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