Coelostylina sp. 1

Hausmann, Imelda M., Nützel, Alexander, Roden, Vanessa Julie & Reich, Mike, 2021, Palaeoecology of tropical marine invertebrate assemblages from the Late Triassic of Misurina, Dolomites, Italy, Acta Palaeontologica Polonica 66 (1), pp. 143-192 : 155

Coelostylina sp. 1

Fig. 12B .

Material.— One specimen ( PZO 12691 ) from Misurina Landslide bulk sample, Italy, Carnian, Triassic .

Description.—A single small shell is present with a height of about 1 mm. It consists of about two teleoconch whorls which are smooth and bulbous and a poorly preserved mammilated larval shell.

Remarks.—Species identification is impossible, but the specimen resembles the genus Coelostylina or Prostylifer to some degree.

Figures

Fig. 12. Caenogastropods from Lago Antorno (A) and Misurina Landslide (B–F), northern Italy, Cassian Formation, Carnian, Upper Triassic. A. Unidentified caenogastropod, PZO 12829, in lateral view.B. Coelostylina sp.1, PZO 12691, in apertural view. C. Coelostylina sp. 2, PZO 12692, in lateral view. D. Flemingella bistriata (Münster, 1841), PZO 12713, in apertural view. E. Coelochrysalis pupaeformis (Münster, 1841), PZO 12714, in lateral view, with constriction of last whorl. F. Coelochrysalis pupaeformis (Münster, 1841), PZO 12715, deformed specimen in lateral view, showing constriction of last whorl.