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Mesotremaster felli
Taxonomy
Mesotremaster felli was named by Hess (1972). It is not extant. Its type locality is Echinoderms, Oberer Hauptrogenstein, Late Bajocian, Schinznach, Aargau, which is in a Bajocian open shallow subtidal grainstone/marl in Switzerland.
Synonymy list
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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.
†Mesotremaster felli Hess 1972
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H Hess 1972 | Ambulacral pores in four rows. Oral plate large flattened. Adambulacrals with three furrow and three subambulacral compressed spines. First adambulacral cylindrical, weackly orverlaping, bearing a robust spine. External face of body wall plates with ornament of granule-pits. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Blake 1990 | |||||
Age range: Late/Upper Bajocian or 171.60000 to 167.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bajocian | Switzerland | Mesotremaster felli (type locality: 32036) |