Opisthoteuthis philipiiRichard E. Young and Michael Vecchione
The holotype of O. philippi is a male (140 mm ML). This species was described from 3 octopods taken at depths of 275-365 m.
- Arms, web and suckers
- Arms subequal in length (formula: 1>2>3>4).
- Suckers 1-4 from mouth small, suckers 5-11 usually largest, suckers at distal ends of arms indistinguishable with unaided eyes.
- Suckers visible to unaided eye on arms of holotype 92 - 97.
- Cirri retractile into pockets.
- Web sectors subequal (formula: C>B>A>D>E).
- Web about 68-75% of arm length.
- Single web nodule present (33-35 mm long, 3-4 mm wide, 3-5 mm thick) on ventral side of each arm, projects from arm at base of sucker 24.
- Upper beak: Hood with slightly thickened anterior area; hood ("Rostral wings") with two ridges near upper margin (extend from thickened area to posterior edge of hood.
- Lower beak: Hood with slightly elevated and thickened anterior area
O. philipii appears to be separable from other species, where beaks are known, by its distinctive beaks.
The type locality is: 09°32'N, 75°45'E Arabian Sea, Indian Ocean off southwest India, 275 m depth.
Oommen, V.P. 1976. A New Species of the Genus Opisthoteuthis Verrill, 1883 (Cephalopoda: Mollusca) from the Southwest Coast of India. Journal of the Marine Biological Association of India, 18(2):368-374.
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- First online 13 May 2003
Citing this page:
Young, Richard E. and Michael Vecchione. 2003. Opisthoteuthis philipii http://tolweb.org/Opisthoteuthis_philipii/20165/2003.05.13 in The Tree of Life Web Project, http://tolweb.org/. Version 13 May 2003 (under construction).