Acteon
Authors/Creators
Description
Acteon spec 2
(Figures 8–9)
2008 “ Acteon ” spec 3—Valdés: p. 633–635, figs. 22C, 23.
Material. Anda4 (2) RGM 961.772, Anda6 (2) RGM 961.773, AndaDeVos (1) RGM 961.774, AndaClif1 (1) RGM 961.775, Roxas (1) RGM 961.776, Tiep2 (4) RGM 961.777, Tiep3 (2) RGM 961.778, Tiep5 (2) RGM 961.779.
Characterization. Shell small, rounded; H 2.58 mm, W 1.72 mm; protoconch slightly elevated, 1.2 whorl, DP 0.60–0.64 mm; nucleus small, DN 0.24–0.25 mm; lower two-thirds of teleoconch whorls sculpted with punctuated spiral grooves, becoming stronger towards base; interspaces large, becoming smaller towards base; separate strong punctuated spiral groove present on upper one-third of teleoconch whorls; suture weakly channeled with weak punctuated spiral groove; aperture narrow; columella with weak single fold; umbilicus very narrow.
Distribution. New Caledonia, in 900– 980 m.
Remarks. This species is also similar to “ Acteon ” rhektos Valdés, 2008 in its general shell shape and sculpture, but its spiral grooves are narrower and separated by wider gaps and its columella is straighter.
Notes
Files
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Kingdom
- Animalia
- Phylum
- Mollusca
- Family
- Acteonidae
- Genus
- Acteon
- Taxon rank
- genus
References
- Valdes, A. (2008) Deep-sea " cephalaspidean " heterobranchs (Gastropoda) from the tropical southwest Pacific. In: Heros, V., Cowie, R. H. & Bouchet, P. (Eds.), Tropical Deep-Sea Benthos. Vol. 25. Memoires du Museum national d'Histoire naturelle, Tome 196. Publications Scientifiques du Museum, Paris, pp. 587 - 792.