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Pentagonaster browni
Taxonomy
Pentagonaster browni was named by Weller (1905). It is not extant. Its type specimen is Walker Museum, Chicago. It was considered monophyletic by Blake and Kues (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Pentagonaster browni Weller pp. 257-258 fig. 1 |
| 1915 | Pentagonaster browni Clark and Twitchell p. 41 figs. pl. 7 fig. 7 |
| 1947 | Pentagonaster browni Branson pp. 590-591 |
| 1948 | Pentagonaster browni Durham and Roberts p. 432 |
| 2002 | Pentagonaster browni Blake and Kues p. 1011 |
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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.
†Pentagonaster browni Weller 1905
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. B. Blake and B.S. Kues 2002 | Small size, R equals 24 mm. Body stellate, flat. Disk large (R/r ratio: 2.1). Interbrachial arc rounded. Short, blunt arms. Marginal plates large, few, about 8 pairs per half-arc. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Blake 1990, Aberhan 1992, Aberhan et al. 2004 | |||||
Collections
No collection or age range data are available