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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Malacostega
Taxonomy
Malacostega was named by Levinsen (1902). It is extant.
It was reranked as the unranked clade Malacostega by Bassler (1953).
It was assigned to Anasca by Bassler (1953); and to Cheilostomata by Schmidt (2003).
It was reranked as the unranked clade Malacostega by Bassler (1953).
It was assigned to Anasca by Bassler (1953); and to Cheilostomata by Schmidt (2003).
Subtaxa
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.
Unr. Malacostega Levinsen 1902
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Fm. Hincksinidae Canu and Bassler 1927
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G. Cauloramphus Norman 1903
G. †Ogivalina
G. Pseudolepralia Silen 1942
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Smith et al. 2006, Nesnidal et al. 2013 | |||||
Age range
Maximum range based only on fossils: base of the Danian to the top of the Holocene or 66.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian | Austria (Niederösterreich) | Ogivalina ramiformis (87002) | |
| Priabonian | USA (Mississippi) | Ogivalina elongata (84174) | |
| Late/Upper Eocene | Colombia | Ogivalina sp. (103544) | |
| Oligocene - Miocene | Australia (Victoria) | Glenelgia crawfordensis (173508 173512) | |
| Miocene - Oligocene | Australia (Victoria) | Glenelgia crawfordensis (173504 173506 173511) | |
| Serravallian | Indonesia | Cranosina coronata, Cranosina rubeni (173658) Setosellina constricta (173647) Setosellina roulei (173653) | |
| Late/Upper Pleistocene | USA (California) | Cauloramphus spiniferum (160361) | |
| Late/Upper Pleistocene | USA (Maryland) | Ogivalina parvula (48886) | |
| Holocene | USA (Florida) | Setosellina goesi (97610) |