Callostracon thyrrenicum ( Smriglio & Mariottini, 1996 )

Negri, Mauro Pietro & Corselli, Cesare, 2016, Bathyal Mollusca from the cold-water coral biotope of Santa Maria di Leuca (Apulian margin, southern Italy), Zootaxa 4186 (1), pp. 1-97 : 81

publication ID

https://doi.org/ 10.11646/zootaxa.4186.1.1

publication LSID

lsid:zoobank.org:pub:029B675F-776C-4CD6-9992-FA05AEADFA7B

DOI

https://doi.org/10.5281/zenodo.6082327

persistent identifier

https://treatment.plazi.org/id/03C587A5-FF94-F925-FF3B-FDE06469FB1E

treatment provided by

Plazi

scientific name

Callostracon thyrrenicum ( Smriglio & Mariottini, 1996 )
status

 

Callostracon thyrrenicum ( Smriglio & Mariottini, 1996)

Fig. 18 View FIGURE 18. a – c m–o

Colostracon thyrrenicum Smriglio & Mariottini, 1996 (p. 184, figs. 1–5). Callostracon thyrrenicum Smriglio & Mariottini, 1996 — Repetto et al. 2005 (p. 254, mid-left fig.); Repetto & Bianco 2012 (p. 40, fig. 4).

Diagnostic characters. Ovate shell; drop-shaped aperture; thin parietal callus deep inside the aperture; weak columellar fold; close-set spiral rows of oval pits connected in a chain-like pattern. Protoconch: heterostrophic, submerged, nearly globose; slightly more than 1 visible whorl; diameter about 700 µm; surface smooth; transition to the teleoconch marked by a thin orthocline lip.

Remarks. The specimens fully conform to the types figured by Smriglio & Mariottini (1996). The genus “ Callostracon ”, as used by Smriglio & Mariottini (1996) after Nordsieck (1972), is a subsequent incorrect spelling of Colostracon Hamlin, 1884 , a Mesozoic genus (cf. Bouchet 2012). The same generic name Callostracon was proposed by Repetto & Bianco (2012) for Mediterranean species.

Occurrence. Box-corer samples BC71 (2 specimens), BC72 (1); core BC52 (1). Maximum height: 5 mm.

Distribution and habitat. Callostracon thyrrenicum is distributed in the central Mediterranean, from the Northern Thyrrenian Sea to Malta, dwelling on coral banks and muddy bottoms at 400–600 m depth ( Smriglio & Mariottini 1996; Smriglio et al. 1998). It has been regarded as an element of the CB bathyal biocoenosis ( Smriglio & Mariottini 1996).

Fossil record. None recorded.

Kingdom

Animalia

Phylum

Mollusca

Class

Gastropoda

Family

Acteonidae

Genus

Callostracon

Loc

Callostracon thyrrenicum ( Smriglio & Mariottini, 1996 )

Negri, Mauro Pietro & Corselli, Cesare 2016
2016
Loc

Colostracon thyrrenicum

Smriglio & Mariottini 1996
1996
Loc

Callostracon thyrrenicum

Smriglio & Mariottini 1996
1996
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