Eridotrypella Duncan, 1939
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publication ID |
https://doi.org/ 10.5252/g2012n4a1 |
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persistent identifier |
https://treatment.plazi.org/id/03A6D074-FFFC-7E00-FD1E-FDB3FB81FBF4 |
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treatment provided by |
Marcus |
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scientific name |
Eridotrypella Duncan, 1939 |
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Genus Eridotrypella Duncan, 1939 View in CoL
TYPE SPECIES. — Batostomella obliqua Ulrich, 1890 , by subsequent designation (Duncan 1939). Middle Devonian ; Michigan ( USA) .
OCCURRENCE. — Silurian-?Carboniferous; worldwide.
DIAGNOSIS. — Branched colonies.Autozooecial apertures irregularly polygonal.Autozooecial walls laminated, without distinct zooecial boundaries, irregularly thickened, containing spherules. Diaphragms complete, varying in number. Exilazooecia rare.Acanthostyles varying in size and number.
COMPARISON
Eridotrypella Duncan, 1939 differs from Eostenopora Duncan, 1939 in colony form (ramose branched vs encrusting or massive colonies).
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