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- Title
A new dendrophylliid coral genus Cairnsipsammia from the Lower Cretaceous of western Austria (Anthozoa; Scleractinia; Vorarlberg; Schrattenkalk Formation [upper Barremian-lower Aptian]).
- Authors
Baron-Szabo, Rosemarie C.
- Abstract
The new colonial dendrophylliid coral genus Cairnsipsammia is described from the Lower Cretaceous Schrattenkalk Formation (upper Barremian–lower Aptian) of western Austria (Vorarlberg). The new genus is characterized by plocoid to submeandroid types of polyp integration, compact to porous costosepta, and corallites that are united by their perithecal walls or embedded in a narrow (up to 2 mm wide) porous, reticulate and costate coenosteum with granular surfaces. It represents the oldest colonial genus of the family Dendrophylliidae. The occurrence of Cairnsipsammia in a shallowwater, reefal environment (Schrattenkalk Formation), in combination with both the relatively high degree of corallite integration (submeandroid) and massive growth form points to the hypothesis that Cairnsipsammia may have been zooxanthellate.
- Subjects
DENDROPHYLLIIDAE; ANTHOZOA; SCLERACTINIA; ZOOXANTHELLATE corals; TAXONOMY
- Publication
Proceedings of the Biological Society of Washington, 2015, Vol 128, Issue 4, p216
- ISSN
0006-324X
- Publication type
Article
- DOI
10.2988/0006-324X-128.4.216