Polyphyllastrea
Orbigny, 1850 p. 37, not available in 1849, p. 10
Junior synonym see Microsolena
Type Species
Polyphyllastrea plana D'Orbigny 1850 p. 37 (nomen nudum in 1849); Subsequent Designation Wells 1936, p. 126
Type Specimen: Lectotype; MNHN A26576; Verified; Dry Preserved
Type Locality: "Corallien" (Upper Jurassic) from Poisat (Ain; France)
The lectotype includes two thin sections
Classification
Description
Colonial massive corallum. Intracalicular increase producing a isotropic thamnasterioid structure. Radial elements are pennular and regularly fenestrate typically microsolenid biseptal sheets. Pennulae alternate very regularly. Pennular rims turned upward. Septa anastomosing in the center. Synapticulae numerous. Small fossa in the axial zone. In depth, the fossa is occupied by trabecules of inner edges of septa
This page has been in preparation since 19-Aug-2009 17:11
This version was contributed by Bernard Lathuilière on 01-Mar-2010 15:17.
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
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