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Blastozopsammia

Filkorn and Pantoja-Alor, 2004, p. 505

Type Species

Blastozopsammia guerreroterion Filkorn and Pantoja-Alor, 2004, p. 505, figs. 3-4; Original Designation Filkorn and Pantoja-Alor, 2004, p. 505

Type Specimen: Holotype; ; Not Traced; Unknown

Type Locality: Upper Albian to Lower Cenomanian of Mexico (Mal Paso Formation, Guerrero)

The holotype of the type species is housed at IGM (Mexico City) under 6967.

Classification

Diagnosis

Corallum colonial, attached (?), ramose; budding extracalicinal; corallites small, monocentric, dimorphic; each branch consists of one axial corallites with smaller secondary corallites budded laterally and arrayed radially from this axis of branch; septa laminar, imperforate, typically hexamerally arranged in three complete cycles, with pairs of S4 sometimes present; septa in weakly developed or incipient Pourtales plan’ columella weakly developed, appears as trabecular segments or loosely spongy; pali (?) or paliform lobes (?) may be present on S2; wall synapticulothecal; endothecal dissepiments sparse (‘dissepiments absent’ according to the original description but a small number of thin vesicular dissepiments seem to be present in the type material); coenosteum reticulate, relatively thick, extensive; coenosteal surfaces granular, porous, weaklt costate or striate, spinose.

Distribution

  • Central America; Early Cretaceous - Late Cretaceous

This page has been in preparation since 18-Sep-2010 18:33

This version was contributed by Rosemarie Baron-Szabo on 21-Jul-2017 18:47.

Page authors are: Rosemarie Baron-Szabo. Please contact the editor if you would like to contribute to the diagnosis of this taxon.

The editor is: Rosemarie Baron-Szabo


Blastozopsammia guerreroterion Filkorn and Pantoja-Alor, 2004, holotype, photograph courtesy Dr. Filkorn
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