Connectastrea

Koby, 1904, p. 67

Type Species

Connectastrea gregoryi Koby 1904, p. 67, pl. 29, fig. 1-4; Subsequent Designation Gregory, 1930

Type Specimen: Syntype; ?; Not Traced; Unknown

Type Locality: Upper Jurassic of Outeiro Pragao and "cap d'Espichel" (Portugal)

Description

Massive cerioid corallum with polygonal shallow corallites. Thick folded epitheca. Increase by intracalicinal septal budding with frequent rejuvenescence (supracalicinal gemmation of Koby). Radial elements are compact, free or anastomosed in the center. Distal edge with regular teeth. Microstructure unknown. Hexameral symmetry not deciphered. Endotheca made of concave tabuloid dissepiments , weak parietal columella. Synapticulae absent. Septothecal wall.

Comparisons

Connectastrea was confused with Amphiastrea (Vaughan and Wells 1943) probably because the rejunenescence process provides structures looking like a marginarium but the thecal septal and columellar structures are completely different. In Amphiastrea each corallite has its own epitheca, septa are not dentate and there is a columellar septum.

Remarks

Four Jurassic and one Cretaceous nominal species (Löser 2000).

Distribution

• Southern Europe, Eastern Europe, North Africa, Central Asia, South Asia, North America; Middle Jurassic - Early Cretaceous

This page has been in preparation since 07-May-2009 10:43

This version was contributed by Bernard Lathuilière on 07-Oct-2013 17:12.

Page authors are: Bernard Lathuilière. Please contact the editor if you would like to contribute to the diagnosis of this taxon.

The editor is: Bernard Lathuilière