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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Lucina janus was named by Dall (1903). Its type specimen is USNM 114718, a shell, and it is a 3D body fossil.
It was recombined as Pegophysema janus by Woodring (1982).
It was recombined as Pegophysema janus by Woodring (1982).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1903 | Lucina janus Dall p. 1353 figs. pl. 51, fig. 9 |
| 1982 | Pegophysema janus Woodring p. 622 |
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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.
†Pegophysema janus Dall 1903
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Kiessling 2004, Sanchez Roig 1926, Aberhan et al. 2004 | |||||
Age range: base of the Aquitanian to the top of the Zanclean or 23.04000 to 3.60000 Ma
Collections (24 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aquitanian | Panama | Pegophysema janus (93242) | |
| Burdigalian | USA (Florida) | Lucina janus (41760 42216 42223 42250 42365 42421 42423 42424 42443) | |
| Serravallian | USA (Florida) | Lucina janus (94810) | |
| Tortonian | Panama | Anodonta janus (82125) Anodontia janus (82116) Pegophysema janus (93059 93164 93171 93176 93177) | |
| Tortonian | Panama (Colon) | Pegophysema janus (145250 145254 145276 145283 145356) | |
| Zanclean | Dominican Republic | Anodontia janus (74970) |