Leioclema Ulrich, 1882

Ernst, Andrej, Fernández, Luis Pedro, Fernández-Martínez, Esperanza & Vera, Carmen, 2012, Description of a bryozoan fauna from mud mounds of the Lebanza Formation (Lower Devonian) in the Arauz area (Pisuerga-Carrión Province, Cantabrian Zone, NW Spain), Geodiversitas 34 (4), pp. 693-738 : 710

publication ID	https://doi.org/10.5252/g2012n4a1
DOI	https://doi.org/10.5281/zenodo.5465730
persistent identifier	https://treatment.plazi.org/id/03A6D074-FFFE-7E02-FF35-FB2AFB9DFE0E
treatment provided by	Marcus (2021-08-30 02:41:39, last updated by Plazi 2023-11-05 20:40:30)
scientific name	Leioclema Ulrich, 1882
status

Treatment

Genus Leioclema Ulrich, 1882 View in CoL

TYPE SPECIES. — Callopora punctata Hall, 1858 , by subsequent designation ( Ulrich 1882). Lower Carboniferous ; Iowa ( USA) .

OCCURRENCE. — Lower Silurian to Upper Carboniferous; worldwide.

DIAGNOSIS. — Encrusting,branched, less commonly massive colonies.Autozooecia with polygonal to rounded-polygonal, sometimes petaloid apertures. Autozooecial diaphragms rare. Mesozooecia abundant, with abundant diaphragms, often beaded. Acanthostyles abundant, commonly large. Autozooecial walls thin in endozone; laminated, regularly thickened in exozones (modified from Astrova 1978).

COMPARISON

Leioclema Ulrich, 1882 View in CoL differs from Heterotrypa Nicholson, 1879 View in CoL in having rare autozooecial diaphragms and abundant acanthostyles and mesozooecia, and from Stigmatella Ulrich& Bassler, 1904 View in CoL in having abundant mesozooecia.