| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Acalyptomerinae
Taxonomy
Acalyptomerinae was named by Crowson (1979). It is extant. Its type is Acalyptomerus.
It was assigned to Clambidae by Lawrence and Newton (1995), Cai and Lawrence (2019) and Cai et al. (2022).
It was assigned to Clambidae by Lawrence and Newton (1995), Cai and Lawrence (2019) and Cai et al. (2022).
Subtaxa
Acalyptomerus (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Acalyptomerinae Crowson |
| 1995 | Acalyptomerinae Lawrence and Newton, Jr. |
| 2019 | Acalyptomerinae Cai and Lawrence p. 2 |
| 2022 | Acalyptomerinae Cai et al. |
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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.
Subfm. Acalyptomerinae Crowson 1979
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Kiessling 2004, Bush and Bambach 2015 | |||||
Age range
Maximum range based only on fossils: Early/Lower Cenomanian or 99.60000 to 93.50000 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | Myanmar | Acalyptomerus thayerae (161726) |