Acteon

Helwerda, Renate A., 2015, Acteonidae, Bullinidae and Ringiculidae (Gastropoda: Heterobranchia) from the Plio-Pleistocene of the Philippines, Zootaxa 3990 (2), pp. 197-220 : 202

publication ID	https://doi.org/ 10.11646/zootaxa.3990.2.2
publication LSID	lsid:zoobank.org:pub:BDF1BC11-4848-4858-99DC-0336A5FBEE2B
DOI	https://doi.org/10.5281/zenodo.6116503
persistent identifier	https://treatment.plazi.org/id/03FA878C-9515-FE4F-FF26-E6B8064BCFE7
treatment provided by	Plazi
scientific name	Acteon
status

Treatment

Acteon View in CoL spec 2

( Figures 8–9 View FIGURE 8 – 13. 8 )

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.