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Parametopaster stainforthi
Taxonomy
Metopaster stainforthi was named by Wright and Wright (1940). It is not extant. Its type specimen is Natural History Museum, London, holotype BNHM WW 9328, paratype BNHM WW 3937, BN.
It was recombined as Parametopaster stainforthi by Breton (1992); it was recombined as Recurvaster stainforthi by Schulz and Weitschat (1975), Helm (1997).
It was recombined as Parametopaster stainforthi by Breton (1992); it was recombined as Recurvaster stainforthi by Schulz and Weitschat (1975), Helm (1997).
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Metopaster stainforthi Wright and Wright p. 231 figs. fig. 7; pl. 13, fig. 1-4, 11-12; pl. 17, |
| 1975 | Recurvaster stainforthi Schulz and Weitschat pp. 269-270 figs. pl. 27, fig. 6-8; pl. 28, fig. 4 |
| 1987 | Metopaster stainforthi Gale pp. 35-36 figs. pl. 9, fig. 11-14 |
| 1992 | Parametopaster stainforthi Breton p. 440 |
| 1997 | Recurvaster stainforthi Helm p. 108 figs. fig. 15 |
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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.
†Parametopaster stainforthi Wright and Wright 1940
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. S. Gale 1987 | Medium size, arms distinctly produced, curved aborally at tips; 6 to 8 superomarginals, which decrease evenly in size distally, present in each side of arm; poorly defined raised central area present only on distal marginals. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Blake 1990, Aberhan 1992 | |||||
Collections
No collection or age range data are available