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Nevadaphyllum
Taxonomy
Nevadaphyllum was named by Stumm (1937) [Sepkoski's age data: D Emsi]. It is not extant.
It was assigned to Streptelasmatinae by Hill (1956); to Siphonophrentinae by Merriam (1974); to Nevadaphyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Streptelasmatinae by Hill (1956); to Siphonophrentinae by Merriam (1974); to Nevadaphyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Synonymy list
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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. †Nevadaphyllum Stumm 1937
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Merriam 1974 | Large ceratoid to cylindrical solitary
rugose corals. Many of the very numerous long, smooth major septa reach the axis, toward which they become twisted. There is a wide peripheral stereozone and a fossula. The tabularium is wide; the tabulae numerous, crowded and incomplete, uparched periaxially with axial and periaxial sag. Dissepiments are abnormal or false; the dissepiments |