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Polyphyllastrea

Orbigny, 1850 p. 37, not available in 1849, p. 10

Polyphyllastrea Orbigny, 1850 p. 37, not available in 1849, p. 10 is a junior synonym (available and invalid), see Microsolena Lamouroux, 1821, p. 65.

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 15-Mar-2013 16:12.

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


Lectotype of Polyphyllastrea plana type species of the genus
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Lectotype of Polyphyllastrea plana type species of the genus
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Lectotype of Polyphyllastrea plana type species of the genus
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Lectotype of Polyphyllastrea plana type species of the genus
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