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Taxonomy
Cryptolucina megadyseides was named by Saul et al. (1996). Its type specimen is LACMIP 11418, a shell, and it is a 3D body fossil. Its type locality is Satsop River, west fork, which is in an Eocene/Eocene basinal (carbonate) limestone in the Humptulips Formation of Washington. It is the type species of Cryptolucina.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1996 | Cryptolucina megadyseides Saul et al. p. 791 figs. Figs. 2.1-2.6, 3.1-3.4 |
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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.
†Cryptolucina megadyseides Saul et al. 1996
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Lutetian to the top of the Late/Upper Eocene or 47.80000 to 33.90000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian | USA (Washington) | Cryptolucina megadyseides (172001) | |
| Middle Eocene - Late/Upper Eocene | USA (Washington) | Cryptolucina megadyseides (type locality: 205205) | |
| Late/Upper Eocene | USA (Washington) | Cryptolucina megadyseides (169032 169048) |