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Scutellaster
Taxonomy
Scutellaster was named by Cragin (1895) [Sepkoski's age data: T Mi-u Q Plei].
It was assigned to Clypeasteridae by Clark and Twitchell (1915); to Dendrasteridae by Durham (1955), Faustman (1964) and Durham (1966); to Echinarachniidae by Wagner (1974); and to Clypeasteroida by Sepkoski (2002).
It was assigned to Clypeasteridae by Clark and Twitchell (1915); to Dendrasteridae by Durham (1955), Faustman (1964) and Durham (1966); to Echinarachniidae by Wagner (1974); and to Clypeasteroida by Sepkoski (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Scutellaster Cragin p. 90 |
| 1914 | Anorthoscutum Lambert and Thiery |
| 1915 | Scutellaster Clark and Twitchell p. 67 |
| 1920 | Dendraster (Calaster) Kew p. 130 |
| 1922 | Dendraster (Calaster) Howe p. 102 |
| 1938 | Anorthoscutum Grant and Hertlein p. 91 |
| 1955 | Scutellaster Durham p. 158 figs. Figs. 4, d; 34, f; 35, a and b ; p;.1, figs.1, 2, 5, 7,8; pl. 2, fig. 5 |
| 1964 | Scutellaster Faustman p. 112 |
| 1966 | Scutellaster Durham p. U480 |
| 1974 | Scutellaster Wagner p. 119 |
| 2002 | Scutellaster 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. †Scutellaster Cragin 1895
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†Scutellaster cretaceus Cragin 1895
†Scutellaster interlineatus Stimpson 1856
Invalid names: Anorthoscutum Lambert and Thiery 1914 [synonym], Calaster Kew 1920 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Cretaceous to the top of the Neogene or 100.50000 to 2.58000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cretaceous | USA (Colorado) | S. cretaceus (203434) | |
| Miocene | USA (Alaska) | S. oregonensis (203145 203147) | |
| Neogene | USA (Alaska) | S. oregonensis (203144) | |
| Tortonian | USA (Oregon) | Anorthoscutum oregonense (57057) | |
| Late/Upper Miocene | USA (Alaska) | S. oregonensis (203148) | |
| Pliocene | USA (California) | Anorthoscutum interlineatum (203553) | |
| Late/Upper Pliocene | USA (California) | Dendraster interlineatus (203609) | |
| Late/Upper Pliocene - Pleistocene | USA (California) | Anorthoscutum sp. (36867) | |
| Pleistocene | USA (Oregon) | Scutella oregonensis (71142) |