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Megapora
Taxonomy
Megapora was named by Hincks (1877).
It was assigned to Aspidostomatidae by Bassler (1953); and to Pyrisinellidae by Di Martino and Taylor (2012).
It was assigned to Aspidostomatidae by Bassler (1953); and to Pyrisinellidae by Di Martino and Taylor (2012).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1877 | Megapora Hincks |
| 1953 | Megapora Bassler p. G174 |
| 2012 | Megapora Di Martino and Taylor p. 16 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Di Martino and P. D. Taylor 2012 | Colony encrusting, multiserial, unilaminar. Autozooids small, distinct, rounded polygonal or oval, longer than broad, separated by deep furrows. Gymnocyst narrow. Cryptocyst well developed, granular, depressed except for a rounded submarginal ridge. Opesia strongly trifoliate. Oral spines present. Distal pore
chamber larger than distolateral pore chambers; pore windows oval. Ancestrula smaller than astogenetically mature autozooids, with gymnocyst absent (or overgrown), an extensive granular cryptocyst, trifoliate opesia and oral spines. Ovicell hyperstomial, prominent; ectooecium with a narrow, median triangular window; distal zooid reduced to small kenozooid. Avicularia absent. Kenozooids often developed around edge of colony. |
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Smith et al. 2006 | |||||
Collections
No collection or age range data are available