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Forbesiaster wrighti
Taxonomy
Forbesiaster wrighti was named by de Loriol (1909). It is not extant. Its type specimen is Geological Museum, Cairo, n°785. It is the type species of Forbesiaster.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Pachyaster aegypticus de Loriol p. 117 figs. pl. 11 fig. 2 |
| 1909 | Forbesiaster wrighti de Loriol pp. 173-175 figs. pl. 12 fig. 2-4 |
| 1914 | Forbesiaster wrighti Fourtau pp. 98-99 |
| 1966 | Forbesiaster wrighti Spencer and Wright p. U62 fig. 56.5 |
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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.
†Forbesiaster wrighti de Loriol 1909
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Invalid names: Pachyaster aegypticus de Loriol 1909 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. de Loriol 1909 | Arms relatively short, wide at base, rounded at tip. Interradial arc deep, in blunt angle. Marginals twice as wide as long, with widely spaced pits for granules and short spines around edge. Abactinal ossicles irregular, rounded or tumid, largest plates with granules and round conical spines. Large, bivalve pedicellariae on most superomarginals. Adambulacral plates squared, with two slender spines. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Blake 1990 | |||||