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Trochophyllum
Taxonomy
Trochophyllum was named by Milne-Edwards and Haime (1850) [Sepkoski's age data: C Tour-l C Tour-u]. It is not extant.
It was assigned to Laccophyllidae by Hill (1956) and Easton et al. (1958); to Neaxoninae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Laccophyllidae by Hill (1956) and Easton et al. (1958); to Neaxoninae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1850 | Trochophyllum Milne-Edwards and Haime |
1956 | Trochophyllum Hill |
1958 | Trochophyllum Easton et al. p. 15 |
1981 | Trochophyllum Hill |
2002 | Trochophyllum Sepkoski |
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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. †Trochophyllum Milne-Edwards and Haime 1850
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Subg. †Trochophyllum (Permia) Stuckenberg 1895
Subg. †Trochophyllum (Trochophyllum) Milne-Edwards and Haime 1850
Diagnosis
Reference | Diagnosis | |
---|---|---|
W. H. Easton et al. 1958 | Small, ceratoid, curved or geniculate, simple corals. Epitheca smooth, striate, pseudocostate, or with septal grooves. Calyx inverted, moderately deep, Septa in one or two orders, most meeting at or forming an axial tube. Tabulae may be in two orders, those in the axial tube constituting "inner tabulae," and those in loculi con- stituting "outer tabulae." |