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Brachyphylliidae

Alloiteau, 1952

Brachyphylliidae Alloiteau, 1952 is a junior synonym (available and invalid), see Acrosmiliidae Alloiteau, 1952.

Diagnosis

Solitary and colonial. Budding extracalicinal and intracalicinal-marginal. Septa confluent to nonconfluent. Anastomosis absent. Septal perforations regular but rare. Axial ends of septa not dissociated. Endothecal dissepiments sparse. Synapticulae abundant. Wall synapticulothecal, incomplete. Columella well developed or rudimentary.

Remarks

According to Alloiteau (1952a, p. 671), his newly created Family Brachyphylliidae is characterized by the following features: “Solitary and colonial. Budding extracalicinal. Septal perforations numerous and regular but sparse. Axial ends of septa not dissociated. Septa nonconfluent. Anastomosis absent. Endotheca dissepiments sparse. Synapticulae abundant. Wall synapticulothecal, incomplete, poorly defined. Columella well developed or rudimentary.” However, the re-study of the nominatform of this family, Brachyphyllia Reuss, revealed that it also shows additional features like intracalicinal (-marginal) budding which subequently leads to the occurrence of confluent septa; septal axial ends that can be dissociated; frequently occurring septal anastomosis; septal pores which in some corallites occur much more frequently and irregularly, but are less abundant in others. Moreover, in many regards, the types of septal ornamentation in Brachyphyllia and Acrosmilia closely correspond to each other. Therefore, the family Brachyphylliidae has been grouped with the family Acrosmiliidae (Baron-Szabo, 2014a, p. 50).

This page has been in preparation since 02-Oct-2009 17:15

This version was contributed by Rosemarie Baron-Szabo on 06-Jan-2015 21:20.

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

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