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Cytheromatidae
Taxonomy
Cytheromatinae was named by Elofson (1939). It is extant. Its type is Cytheroma.
It was reranked as the family Cytheromatidae by Liebau (2005).
It was assigned to Paradoxostomatidae by Benson et al. (1961); and to Paradoxostomatoidea by Liebau (2005).
It was reranked as the family Cytheromatidae by Liebau (2005).
It was assigned to Paradoxostomatidae by Benson et al. (1961); and to Paradoxostomatoidea by Liebau (2005).
Subtaxa
Cytheroma (type genus), Pellucistoma
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Cytheromatinae Elofson |
| 1961 | Cytheromatinae Benson et al. p. Q316 |
| 2005 | Cytheromatidae Liebau |
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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: o = order, c = class | |||||
| References: Kiessling 2004, Jell and Adrain 2002 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Eocene to the top of the Early/Lower Pleistocene or 37.71000 to 0.77400 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Eocene | New Zealand (Canterbury) | Pellucistoma coombsi, Pellucistoma fordycei (161903) | |
| Middle Miocene | Venezuela | Pellucistoma kendengensis (93929 93932 93935) Pellucistoma magniventra (93926 93928) Pellucistoma magniventra, Pellucistoma kendengensis (93922 93927 93931) | |
| Serravallian | Poland | Cytheroma bonaducei (138846 138848) | |
| Tortonian | Panama (Colón) | Pellucistoma howei (93909) | |
| Piacenzian | Panama (Bocas del Toro) | Pellucistoma sp. (91902) | |
| Early/Lower Pleistocene | Panama | Pellucistoma sp. (91912) |