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Parapsolus
Taxonomy
Parapsolus was named by Applegate et al. (2009). It is not extant. Its type is Parapsolus tlayuensis.
It was assigned to Psolidae by Applegate et al. (2009).
It was assigned to Psolidae by Applegate et al. (2009).
Species
P. tlayuensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Parapsolus Applegate et al. p. 95 |
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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. †Parapsolus Applegate et al. 2009
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†Parapsolus tlayuensis Applegate et al. 2009
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. P. Applegate et al. 2009 | Body oval, up to 52 mm in length and about half as wide. Anterior
end only slightly narrower than posterior. Body weakly scalloped laterally, with rounded protuberances. Ventrally, a thin-walled sole, with single row of marginal tube feet and a scattered group of feet at posterior end of midventral ambulacrum. Dorsally, numerous imbricating plates in rows. One or more tube feet pass through some scales. Mouth and anus dorsal. Calcareous ring simple, well developed, with anterior processes; radial pieces about twice as large as interradials, tending to be rectangular. Anterior projections of radial pieces with apical notch; those of interradial pieces terminate in smooth point. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Middle Albian to the top of the Late/Upper Albian or 110.10000 to 100.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Albian - Late/Upper Albian | Mexico (Puebla) | P. tlayuensis (138747) |