Bryocryptella torquata ( Jullien, 1903 )

Moissette, Pierre, Antonarakou, Assimina, Kontakiotis, George, Cornée, Jean-Jacques & Karakitsios, Vasileios, 2021, Bryozoan faunas at the Tortonian-Messinian transition. A palaeoenvironmental case study from Crete Island, eastern Mediterranean, Geodiversitas 43 (26), pp. 1365-1400 : 1385

Bryocryptella torquata ( Jullien, 1903)

( Fig. 11 A-C)

Cryptella torquata Jullien in Jullien & Calvet, 1903: 77, pl. 7, fig. 5a-c.

Porella torquata – Norman 1909: 300, pl. 39, figs 5-8. — Barroso 1912: 33, figs 6, 6a-e.

Bryocryptella torquata – Álvarez 1991: 93, fig. 5; pl. 10, figs A-E.

OCCURRENCE. — Recent: eastern Atlantic (Gulf of Gascony, Madeira). Deep-water species recorded at depths from 80 m to 300 m ( Álvarez 1991).

DESCRIPTION

Colony vinculariiform. Narrow subcylindrical branches formed by 3-4 alternating longitudinal rows of zooids opening on the same frontal side. Zooids hexagonal separated by deep furrows. Frontal ventricose with about 20 large pores. Aperture subcircular; a small avicularium is sometimes present on its proximal edge. Peristome more or less developed, devoid of pores. Dorsal slightly convex showing marked grooves corresponding to zooecial limits and a few pores. Ovicells not observed.

REMARKS

This species was erroneously identified as Characodoma sp. in Moissette et al. (2018).

Figures

FIG. 11. — A-C, Bryocryptella torquata (Jullien, 1903); A, colony fragment, frontal view, POTB13: AMPG(IV) 2815a; B, colony fragment, dorsal view, POTB13: AMPG(IV) 2815b; C, detail view of zooids, FAN31: AMPG(IV) 3500a; D, Tessaradoma boreale (Busk, 1860), colony fragment, FAN28: AMPG(IV) 3613. E-F, Kionidella excelsa Koschinsky, 1885; E, colony fragment, basal view, FAN7: AMPG(IV)3570a; F, frontal view of a few zooids, FAN16: AMPG(IV) 3572. Scale bars: A, 500 µm; B, E, 200 µm; C, F, 100 µm; D, 1 mm.