This dataset contains the digitized treatments in Plazi based on the original journal article WHITE, WILLIAM T., MANA, RALPH R., NAYLOR, GAVIN J. P. (2017): Description of a new species of deepwater catshark Apristurus yangi n. sp (Carcharhiniformes: Pentanchidae) from Papua New Guinea. Zootaxa 4320 (1): 25-40, DOI: 10.11646/zootaxa.4320.1.2, URL: https://doi.org/10.11646/zootaxa.4320.1.2
Abstract
Apristurus yangi, a new species of deepwater catshark, is described from Papua New Guinea based on two specimens collected during recent deepwater surveys. The new species belongs to the longicephalus -group which is characterised by its very long snout compared to members of the brunneus- group and spongiceps -groups. Apristurus yangi differs from its closest congeners in a combination of the following characters: 8 intestinal spiral valves; mouth width 7.9–8.6% TL; 32– 33 monospondylous centra; 38 precaudal-diplospondylous vertebrae; small in size (female holotype mature at 437 mm TL); egg case small (~ 5.9 cm long) and with faint longitudinal striations.
Key words: Chondrichthyes, taxonomy, western South Pacific, Apristurus longicephalus group, molecular analysis
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