Paravolzeia calabrensis, Vasseur & Lathuilière, 2021

Vasseur, Raphaël & Lathuilière, Bernard, 2021, Pliensbachian corals from the Western Tethys, Geodiversitas 43 (22), pp. 1187-1291 : 1244

Paravolzeia calabrensis n. sp.

( Fig. 39 )

urn:lsid:zoobank.org:act:EB9258DD-F0B3-4A1E-9368-ED7AC8C35F1C

Paravolzeia sp. 1 – Vasseur 2018: 275-276, fig. 3.69.

TYPE MATERIAL. — Holotype: CPUN Ca0211E1-1; paratypes: CPUN Ca0111E3-18, CPUN Ca0211E1-2, CPUN Ca0211E2-1, CPUN Ca0211E2-6. STUDIED SAMPLES. — Five specimens: CPUN Ca0111E3-18, CPUN Ca0211E1-1, CPUN Ca0211E1-2, CPUN Ca0211E2-1, CPUNCa0211E2-6. ETYMOLOGY. — The samples have been collected in Calabria. TYPE HORIZON. — Pliensbachian . TYPE LOCALITY. — Vallone del Gardo, 39°27’54”N, 16°47’28”E, Calabria, Italy. GEOGRAPHIC AND STRATIGRAPHIC RANGES. — Pliensbachian of Vallone del Gardo (Calabria, Italy).

DESCRIPTION

Phaceloid corallum multiplying by fissiparous intracalicular budding. Radial elements are free or joined, compact costosepta in zigzag, organized in 2 distinct size orders. Lateral faces hold sharp granules that sometimes look like pennulae because of their curvature. No columella but the joined septa produce sometimes a weak parietal columella.Endotheca made of tabular dissepiments. Wall probably parathecal. Epitheca s.l. present. Calicular diameter: 2 to 4 mm – Number of septa: 32 to 39 – Septal density: 4 to 6 per 1 mm.

Figures

FIG. 39. — Paravolzeia calabrensis n. sp.: A, transverse thin section of the specimen CPUN Ca0211E2-1; B, transverse thin section of the specimen CPUN Ca0211E1-1; C, transverse thin section of the specimen CPUN Ca0111E3-18; D, transverse thin section of the specimen CPUN Ca0211E2-1; E, polished transverse section in the specimen CPUN Ca0211E2-6. Scale bars: A, D, E, 2 mm; B, C, 1 mm.