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Microgaza
Taxonomy
Microgaza was named by Dall (1881) [Sepkoski's age data: T Plio R Sepkoski's reference number: 1231]. It is extant. Its type is Microgaza rotella.
It was assigned to Margaritinae by Perrilliat (1972); to Trochidae by Ladd (1982), Todd (2001); and to Archaeogastropoda by Sepkoski (2002).
It was assigned to Margaritinae by Perrilliat (1972); to Trochidae by Ladd (1982), Todd (2001); and to Archaeogastropoda by Sepkoski (2002).
Species
M. (Microgaza), M. rotella (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Microgaza Dall p. 50 |
| 1972 | Microgaza Perrilliat p. 21 |
| 1982 | Microgaza Ladd p. 25 |
| 2001 | Microgaza Todd |
| 2002 | Microgaza Sepkoski |
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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
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range
Maximum range based only on fossils: base of the Santonian to the top of the Pleistocene or 85.70000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 83.6 Ma
Minimum age of oldest fossil (stem group age): 83.6 Ma
Collections (27 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Santonian | South Africa (Eastern Cape) | M. bailyi (47109) | |
| Messinian | Panama (Bocas del Toro) | M. sp. (135816) | |
| Messinian | Panama (Bocas) | M. sp. (135944) | |
| Messinian - Zanclean | Dominican Republic | M. cossmanni (75037) | |
| Early/Lower Pliocene | Ecuador | M. sp. (131333) | |
| Early/Lower Pliocene | Trinidad and Tobago | M. oblita (60414 60415 60416 60417) | |
| Late/Upper Pliocene | Mexico | M. santarosaensis (77714) | |
| Late/Upper Pliocene | Jamaica | M. cossmanni, M. rotella (58522) M. sp. A (69094) | |
| Late/Upper Pliocene | Fiji | M. sp. A (78067) | |
| Piacenzian | Panama (Bocas) | M. sp. (61336 61337 79772 79794 79988 79989 135876) | |
| Piacenzian | Spain | M. cuadrae (80559 80560) M. fischeri, M. cuadrae (80563) M. fischeri, M. cuadrae, M. taurinensis (80558 80561 80562) | |
| Pleistocene | Vanuatu | M. navakaensis (78046) |