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Hannatoma
Taxonomy
Hannatoma was named by Olsson (1931).
It was assigned to Melaniidae by Olsson (1931); and to Potamidinae by Woodring (1973).
It was assigned to Melaniidae by Olsson (1931); and to Potamidinae by Woodring (1973).
Species
Species lacking formal opinion data
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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. †Hannatoma Olsson 1931
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†Hannatoma emendorferi Olsson 1931
†Hannatoma gesteri Hanna and Israelsky 1925
†Hannatoma tumbezia Olsson 1931
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Early/Lower Eocene to the top of the Late/Upper Oligocene or 56.00000 to 23.04000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | Peru | Melanatria gesteri (93745) | |
| Middle Eocene | Panama (Colon) | H. antyx (49497) | |
| Late/Upper Eocene | Colombia | H. emendorferi (42787 42788 42789) | |
| Late/Upper Eocene | Panama | H. antyx, H. emendorferi (42495) | |
| Priabonian | Peru | H. emendorferi (55440) | |
| Early/Lower Oligocene | Peru (Piura) | H. tumbezi, H. gesteri (55433) | |
| Late/Upper Oligocene | Peru | H. tumbezi, H. gesteri (42794) |