Leptotrypella Vinassa de Regny, 1921

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 : 714

publication ID

https://doi.org/ 10.5252/g2012n4a1

persistent identifier

https://treatment.plazi.org/id/03A6D074-FFFA-7E06-FF63-FAABFCACFD91

treatment provided by

Marcus

scientific name

Leptotrypella Vinassa de Regny, 1921
status

 

Genus Leptotrypella Vinassa de Regny, 1921 View in CoL

TYPE SPECIES. — Chaetetes barrandei Nicholson, 1874 , by subsequent designation ( Vinassa de Regny 1921). Middle Devonian ; Ontario ( Canada) .

OCCURRENCE. — Middle Silurian to Lower Carboniferous; worldwide.

DIAGNOSIS. — Branched colonies. Autozooecia with polygonal to rounded-polygonal apertures. Autozooecial diaphragms lacking in endozones; rare to common in exozones. Exilazooecia rare. Acanthostyles long, common to abundant. Autozooecial walls granular, thin in endozones; laminated, irregularly thickened in exozones (modified after Astrova 1978).

COMPARISON

Leptotrypella Vinassa de Regny, 1921 differs from Leptotrypa Ulrich, 1883 View in CoL in having branched colonies, and from Anomalotoechus Duncan, 1939 View in CoL in having branched colonies and lacking diaphragms in endozones.

Kingdom

Animalia

Phylum

Bryozoa

Class

Stenolaemata

Order

Trepostomatida

Family

Atactotoechidae

Loc

Leptotrypella Vinassa de Regny, 1921

Ernst, Andrej, Fernández, Luis Pedro, Fernández-Martínez, Esperanza & Vera, Carmen 2012
2012
Loc

Anomalotoechus

Duncan 1939
1939
Loc

Leptotrypella

Vinassa de Regny 1921
1921
Loc

Leptotrypa

Ulrich 1883
1883
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