Calliobasis lapulapui Poppe, Tagaro & Dekker, 2006

Helwerda, Renate Ariane, Wesselingh, Frank Pieter & Williams, Suzanne T., 2014, On some Vetigastropoda (Mollusca, Gastropoda) from the Plio-Pleistocene of the Philippines with descriptions of three new species, Zootaxa 3755 (2), pp. 101-135 : 111-114

publication ID

https://doi.org/ 10.11646/zootaxa.3755.2.1

publication LSID

lsid:zoobank.org:pub:1872ECAB-3C5C-4D76-93A0-A8626F75B96E

DOI

https://doi.org/10.5281/zenodo.5671269

persistent identifier

https://treatment.plazi.org/id/490087B3-FFB7-6D2D-FF1F-F9705866FDC3

treatment provided by

Plazi

scientific name

Calliobasis lapulapui Poppe, Tagaro & Dekker, 2006
status

 

Calliobasis lapulapui Poppe, Tagaro & Dekker, 2006 View in CoL

( Figures 18–19 View FIGURES 18 – 25 )

2006 Calliobasis lapulapui nov. spec.—Poppe et al.: p. 21, pl. 1, fig. 2. 2008a Calliobasis lapulapui —Poppe & Tagaro: p. 160, pl. 25, fig. 1.

Material. Anda 1 (72); Anda 2 (81); Anda 3 (44); Anda 4 (83); Anda 5 (1); Anda 6 (2); AndaDeVos (3); Roxas (1); Tiep 3 (3); Tiep 5 (5).

Characterization. Conical shell with regularly-spaced, well-defined erect sigmoid axial ribs, H 2.5 mm, W 2.6 mm; P globular, 1.1 whorls, DN 0.10 mm; one or two spiral ribs on lower T whorls; body whorl with strong keel; base with nine spiral ribs; plane of aperture tilted downwards; outer lip with strong upper and lower retractions.

Distribution. Apart from the studied material, Calliobasis lapulapui has been reported from the Dipolog Bay, Mindanao Island, Philippines, 172–175 m depth ( Poppe et al. 2006).

Remarks. The specimen shown in Poppe et al. (2006) does not have the elaborate outer lip organisation, but is likely not fully grown. It is smaller than the fossil material studied here (H 2.2 mm versus H 2.53 mm). The shape of the shell and the ornamentation are the same as in the fossils studied here.

Subfamily Asthelysinae Marshall, 1991

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