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Micropsis
Taxonomy
Micropsis is a genus. It is not extant.
It was assigned to Cyphosomatidae by Clark and Twitchell (1915); to Phymosomatoida by Sepkoski (2002); and to Phymosomatidae by Fell and Pawson (1966), Parma and Casadío (2005).
It was assigned to Cyphosomatidae by Clark and Twitchell (1915); to Phymosomatoida by Sepkoski (2002); and to Phymosomatidae by Fell and Pawson (1966), Parma and Casadío (2005).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1915 | Micropsis Clark and Twitchell p. 63 |
| 1966 | Micropsis Fell and Pawson p. U401 |
| 2002 | Micropsis Sepkoski |
| 2005 | Micropsis Parma and Casadío p. 1074 |
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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. †Micropsis
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†Micropsis desori Leymerie and Cotteau 1856
†Micropsis lineatus Clark and Twitchell 1915
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Late/Upper Maastrichtian to the top of the Danian or 72.20000 to 61.66000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cretaceous | USA (Texas) | M. lineatus (203429) | |
| Late/Upper Maastrichtian | Netherlands | M. caementa (32177) | |
| Danian | Argentina (Rio Negro) | M. desori (5162) | |
| Danian | Argentina (La Pampa) | M. desori (52354) |