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Coryphyllina

Roniewicz, 1996:24

Type Species

Coryphyllina rhaetica Roniewicz, 1996: 25, pl. 5, fig. 1a-d; Monotypy Roniewicz, 1996:24

Type Specimen: Holotype; NHMW 1995/1/31; Verified; Dry Preserved

Type Locality: Kesselwand-Rohrmoos, vicinity of Gosaukamm range, Nortern Calcarreous Alps. Zlambach Beds, Rhaetian, Late Triassic

Classification

Diagnosis

Solitary. Septa differentiated into 4 size orders; septa of the ultimate order lonsdaleoid; inner septal margin dissociated ino projections which form papillar columella. Dissepiments vesicular. Wall septothecal with addition of fibous-radial stereom of the inner epithecal layer.

Description

Description of the type species in Roniewicz,1996:25.

Comparisons

In the microstructure of septa Coryphyllina is similar to Coryphyllia, from which it differs in differentiation of thin trabecular mid-septal zone into portions resulting in its division into sub-units, and dissociation of inner margin into rare projections; septal projections form papillar columella.

Distribution

  • Central Europe; Late Triassic
Kesselwand-Rohrmoos at the NW end of the Gosaukamm range: Rhaetian.

This page has been in preparation since 25-Oct-2010 15:18

This version was contributed by Ewa Roniewicz on 08-Nov-2010 23:58.

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

The editor is: Ewa Roniewicz

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