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Kalolophus
Taxonomy
Kalolophus was named by Devries (2016). It is extant. Its type is Crassatellites (Scambula) chipolanus.
It was assigned to Crassatellinae by Devries (2016).
It was assigned to Crassatellinae by Devries (2016).
Synonymy list
| Year | Name and author |
|---|---|
| 2016 | Kalolophus Devries |
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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. Kalolophus Devries 2016
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Kalolophus antillarum Reeve 1842
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Invalid names: Crassatella digueti Lamy 1917 [synonym], Crassatella undulata Say 1824 [synonym]
Kalolophus chipolanus Dall 1903
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. J. Devries 2016 | Shell trapezoidal. Posterior variably produced, bluntly truncate. Weakly to moderately inflated ventral to beak, flattening towards posterior ridge. Umbo orthogy- rate to slightly opisthogyrate. Escutcheon often wider than lunule. Resilifer extending nearly or entirely to ventral mar- gin of hinge plate. Left anterior cardinal tooth not separated from beak by lunule. Inner ventral margin not crenulate |
Measurements
No measurements are available
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| Source: f = family, superf = superfamily | |||||
| References: Sanchez Roig 1926, Eames 1951 | |||||
Age range
Maximum range based only on fossils: base of the Burdigalian to the top of the Gelasian or 20.44000 to 1.80600 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Burdigalian | USA (Florida) | Crassatellites chipolanus (41760 42222 42225 42250 42290 42328) | |
| Serravallian | USA (Maryland) | Crassatella undulata (55396) | |
| Early/Lower Pliocene | USA (California) | Eucrassatella antillarum (96549 96550 96551 96554) | |
| Pliocene | USA (Virginia) | Crassatellites undulatus (59293) | |
| Late/Upper Pliocene | Venezuela | Eucrassatella antillarum (131210 131217 131363) | |
| Late/Upper Pliocene | USA (South Carolina) | Crassatellites undulatus (92412) | |
| Gelasian | USA (North Carolina) | Crassatella undulata (71138) |