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Bothrophoria

Felix, 1909, p. 9

Type Species

B. ornata Felix, 1909:9, pl. 1, figs. 8-11; Monotypy

Type Specimen: Syntype; NRM Cn87b, 88; Verified; Dry Preserved

Type Locality: Late Cretaceous: Snow Hill, Seymour Island (SSPE locality 4)

Type species well described by Filkorn (1994:42)

Classification

Diagnosis

Corallum turbinate, with a rounded base and elliptical in cross section; GCD up to 11 mm; theca imperforate but externally pitted; costae serrate, originating by trifurcation; septa hexamerally arranged in 4 or more cycles up to 58 septa; pali present before all but last septal cycle; columella papillose to spongy.

Comparisons

Similar to Palocyathus (see that account).

Remarks

This genus and family was monographed by Cairns (1997), which included a phylogenetic analysis based on morphology; see also Filkorn (1994). The genus is monotypic, the sole species known from very few specimens.

Distribution

  • Antarctica; Late Cretaceous
Campanian-Maastrichtian: Antarctic Peninsula (Seymour Island and Snow Hill Island) Filkorn, 1994: figs. 14-1 and 3 (syntypes)

This page has been in preparation since 02-Jun-2007 12:35

This version was contributed by Stephen D. Cairns on 18-Nov-2008 19:58.

Page authors are: Stephen D. Cairns 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


Bothrophoria ornata Felix, 1909, topotype
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