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Tomidaster sulcatus
Taxonomy
Tomidaster sulcatus was named by Sladen (1891). Its type specimen is Natural History Museum, London, holotype BNHM E 5063 and is not a trace fossil. It is the type species of Tomidaster.
It was recombined as Ophryaster sulcatus by Smith et al. (1988), Lewis (1993).
It was recombined as Ophryaster sulcatus by Smith et al. (1988), Lewis (1993).
Synonymy list
Year | Name and author |
---|---|
1891 | Tomidaster sulcatus Sladen figs. pl. 5, fig. 1a-c |
1988 | Ophryaster sulcatus Smith et al. pp. 200-201 figs. pl. 42, fig. 1 |
1992 | Tomidaster sulcatus Breton pp. 304-305 |
1993 | Ophryaster sulcatus Lewis p. 61 |
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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.
†Tomidaster sulcatus Sladen 1891
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Diagnosis
Reference | Diagnosis | |
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A. B. Smith et al. 1988 | The interradial marginals are proportionately high and short. Granule pits cover the outer face. Both supero- and inferomarginals each bear a single slit-like pedicellaria running along the length of the lateral surface. Similar pedicellariae are scattered unevenly on the oral intermediate ossicles. |
Measurements
No measurements are available
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Source: f = family, c = class, p = phylum | |||||
References: Aberhan 1992, Aberhan et al. 2004, Blake 1990 |
Age range: Early/Lower Cenomanian or 100.50000 to 93.90000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Cenomanian | United Kingdom | Ophryaster sulcatus (59682 59688) |