Xanthodaphne

Belongs within: Raphitomidae. Xanthodaphne is a genus of deep-water conoids with an ovate, sometimes almost globose, shell (Powell 1966). Characters (from Powell 1966): Shell of moderate size, up to 24 mm, broadly ovate, almost globose, very thin, with widely open aperture and thin-edged, protractively arcuate outer lip. Columella almost straight, aperture narrowing to a short… Continue reading Xanthodaphne

Raphitomidae

Belongs within: Conoidea.Contains: Asperdaphne (Asperdaphne), Xanthodaphne, Pseudodaphnella, Eubela, Rugobela, Buccinaria, Nepotilla, Philbertia, Hemilienardia, Raphitoma, Veprecula, Eucyclotoma, Kermia, Pleurotomella (Pleurotomella), Taranis, Gymnobela, Daphnella (Daphnella). The Raphitomidae is a very diverse group of conoid gastropods, many species of which show a reduction in the radular apparatus or other structures of the foregut (Bouchet et al. 2011). Members… Continue reading Raphitomidae

Pleurotomella (Pleurotomella)

Belongs within: Raphitomidae. The type subgenus of the genus Pleurotomella is a group of thin-shelled conoids found in deep ocean basins with the greatest diversity in the North Atlantic (Powell 1966). Deep Pleurotomella Published 23 March 2016 ‘Turrid’ time again! Though the disassembly of the enormous mass that was the old gastropod family Turridae (now… Continue reading Pleurotomella (Pleurotomella)

Nepotilla

Belongs within: Raphitomidae. Nepotilla is a primarily Australasian genus of conoids with a shell bearing sharply raised spiral keels and a deep, slit-like sutural sinus (Powell 1966). Characters (from Powell 1966): Shell very small, 1.5–6 mm, fusiform-biconic, angulate at periphry, sculptured with sharply raised spiral keels, usually crossed by rather distant lamellate axials, producing a… Continue reading Nepotilla

Gymnobela

Belongs within: Raphitomidae. Gymnobela is a genus of conoids with a short and broad, often rather solid shell and lacking an operculum (Bouchet & Waren 1980). <==Gymnobela Verrill 1884 [incl. Majox Nordsieck 1968, Watsonaria Nordsieck 1968]BK11 |–G. (Gymnobela)P66 | |–*G. (G.) engonia Verrill 1884BW80 | |–G. (G.) agonia (Dall 1889) [=Pleurotomella (G.) agonia]P66 | |… Continue reading Gymnobela

Taranis

Belongs within: Raphitomidae. Taranis is a genus of small deep-water conoids with members lacking an operculum or radula. The genus includes both species with planktotrophic larvae and direct-developing or lecithotrophic species (Bouchet & Waren 1980). Characters (from Powell 1966): Shell very small, 2.5-6 mm, ovate-biconic, predominantly medially angulate and spirally keeled, usually crossed by lamellate… Continue reading Taranis

Raphitoma

Belongs within: Raphitomidae. Raphitoma histrix Published 9 June 2014 The shell in the photo above (from G. & Ph. Poppe) belongs to Raphitoma histrix (Bellardi 1847)*, a small marine gastropod (the shell shown is just over 6 mm long). Raphitoma histrix was first described as a fossil from the Pliocene of north-western Italy, but the… Continue reading Raphitoma

Asperdaphne (Asperdaphne)

Belongs within: Raphitomidae. Asperdaphne, I don’t know who you are anymore Published 2 October 2012 The subject of today’s post has been going through something of an identity crisis recently. Asperdaphne was listed by Powell (1966) as a genus of small conoid gastropods found in Australia, New Zealand and the Pacific coast of Asia, with… Continue reading Asperdaphne (Asperdaphne)