AnimaliaacceptedgenusAccepted
Orbignyella
Ulrich & Bassler, 1904
GBIF:196202596
0year
ABOUT
Descriptions(5)
COMPARISON
Ernst, Andrej, Carrera, Marcelo G. (2022): A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera. Geodiversitas 44 (20): 563-601, DOI: 10.5252/geodiversitas2022v44a20
DIAGNOSIS. — Colonies encrusting, massive or globular. Prismatic autozooecia with polygonal apertures. Autozooecial diaphragms abundant, straight or inclined, often cystoid. Exilazooecia rare, short, with or without diaphragms. Acanthostyles small or large, varying in number. Autozooecial walls thin or weakly irregularly thickened, with indistinct laminated microstructure, often serrated.
Ernst, Andrej, Carrera, Marcelo G. (2022): A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera. Geodiversitas 44 (20): 563-601, DOI: 10.5252/geodiversitas2022v44a20
Orbignyella Ulrich & Bassler, 1904 differs from Cyphotrypa Ulrich & Bassler, 1904 in having of abundant and inclined diaphragms.
Ernst, Andrej, Carrera, Marcelo G. (2022): A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera. Geodiversitas 44 (20): 563-601, DOI: 10.5252/geodiversitas2022v44a20
OCCURRENCE. — Ordovician – Silurian; worldwide.
Ernst, Andrej, Carrera, Marcelo G. (2022): A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera. Geodiversitas 44 (20): 563-601, DOI: 10.5252/geodiversitas2022v44a20
TYPE SPECIES. — Orbignyella sublamellosa Ulrich & Bassler, 1904 by original designation. Middle Ordovician; United States.
Ernst, Andrej, Carrera, Marcelo G. (2022): A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera. Geodiversitas 44 (20): 563-601, DOI: 10.5252/geodiversitas2022v44a20
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CLASSIFICATION