Cyclotrypa, Ulrich, 1896

Ernst, Andrej, 2016, Bryozoan fauna from the Permian (Artinskian-Kungurian) Zhongba Formation of southwestern Tibet, Palaeontologia Electronica (1946) 51 (9), pp. 1-59 : 13

publication ID

https://doi.org/ 10.26879/585

publication LSID

lsid:zoobank.org:pub:6F0DE44D-32BD-4882-9C38-FF76446D15EA

persistent identifier

https://treatment.plazi.org/id/2F15F14D-FF9C-FF96-045F-A92CFEEEFA41

treatment provided by

Felipe

scientific name

Cyclotrypa
status

 

Genus CYCLOTRYPA Ulrich, 1896 View in CoL

Type species. Fistulipora communis Ulrich, 1890 . Middle Devonian; Iowa, USA .

Diagnosis. Encrusting colonies, often with multiple overgrowths. Cylindrical autozooecia with thin walls and complete diaphragms. Autozooecial apertures rounded. Lunaria absent. Autozooecia separated by vesicular skeleton. Acanthostyles occurring in roofs of vesicles. Low maculae often developed.

Remarks. Cyclotrypa Ulrich, 1896 differs from Fistulipora M‘Coy, 1849 and Eridopora Ulrich, 1882 in the absence of lunaria.

Occurrence. Silurian to Permian; Europe, North America, Asia.

Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF