Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tomidaster
Taxonomy
Tomidaster was named by Sladen (1891). It is not extant. Its type is Tomidaster sulcatus.
It was assigned to Goniasteridae by Sladen (1891) and Breton (1992).
It was assigned to Goniasteridae by Sladen (1891) and Breton (1992).
Species
T. sulcatus (type species)
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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.
Diagnosis
Reference | Diagnosis | |
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G. Breton 1992 | Arm short with a wide base and passing indistinctly to the disk. Interbrachial arc regularly rounded. Marginal plates short with a maximum width in the interradius. Granule-pits fine, hexagonal, occasionally irregular. Pedicellariae-pits elongated. |
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 |
Age range: Early/Lower Cenomanian or 99.60000 to 93.50000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Cenomanian | United Kingdom | Ophryaster sulcatus (59682 59688) |