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Brachyelasma
Taxonomy
Brachyelasma was named by Lang et al. (1940).
It was synonymized subjectively with Streptelasma by Neuman (1969).
It was assigned to Streptelasmatinae by Hill (1956); to Streptelasmidae by Kaljo (1956); and to Streptelasmatidae by Kaljo (1958), Reiman (1958), Merriam (1973).
It was synonymized subjectively with Streptelasma by Neuman (1969).
It was assigned to Streptelasmatinae by Hill (1956); to Streptelasmidae by Kaljo (1956); and to Streptelasmatidae by Kaljo (1958), Reiman (1958), Merriam (1973).
Species
Species lacking formal opinion data
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Brachyelasma Lang et al. 1940
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†Brachyelasma altaica Tcherepnina 1960
†Brachyelasma bassleri Pestana 1960
†Brachyelasma concava Kaljo 1956
†Brachyelasma cylindricum Troedsson 1928
†Brachyelasma duncani Dybowski 1873
†Brachyelasma estonica Dybowski 1873
†Brachyelasma estonicum Dybowski 1873
†Brachyelasma fervida Kaljo 1958
†Brachyelasma radiata Scheffen 1933
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Merriam 1973 | Trochoid-ceratoid solitary rugose corals lacking dissepiments and having subhorizontal, straight, or slightly arched tabulae, some of which are complete. Tabulae bent downward as they approach the wall. Major septa not meeting the axis, though commonly extending more than half that distance. Minor septa short. Septal stereozone narrow. A fossula recognizable in some species. |