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Crepidula (Janacus)
Taxonomy
Crepidula (Janacus) was named by Paetel (1875) [Sepkoski's age data: T Mi R]. It is extant.
It was reranked as Janacus by Sepkoski (2002).
It was assigned to Neotaenioglossa by Sepkoski (2002); and to Crepidula by Moths et al. (2010).
It was reranked as Janacus by Sepkoski (2002).
It was assigned to Neotaenioglossa by Sepkoski (2002); and to Crepidula by Moths et al. (2010).
Subtaxa
Species lacking formal opinion data
Crepidula aculeata, Crepidula aculeata, Crepidula aculeata, Crepidula aesop, Crepidula aesop, Crepidula ancestra, Crepidula avirostra, Crepidula californicum, Crepidula cannoni, Crepidula cantaurana, Crepidula capensis, Crepidula cochleare, Crepidula corcovada, Crepidula crepidula, Crepidula fornicata, Crepidula fornicula, Crepidula gaultiana, Crepidula gaultina, Crepidula gregaria, Crepidula immersa, Crepidula isimotoi, Crepidula jimboana, Crepidula juliella, Crepidula lawrencei, Crepidula matajiroi, Crepidula nidatoriensis, Crepidula norrisianum, Crepidula nummaria, Crepidula nunimaria, Crepidula phalaena, Crepidula ponderosa, Crepidula porcellana, Crepidula protea, Crepidula radiata, Crepidula rhysseama, Crepidula rhyssema, Crepidula rostrata, Crepidula rugulosa, Crepidula spinosium, Crepidula spinulosa, Crepidula stillwaterensis, Crepidula striolata, Crepidula sulin, Crepidula tigilensis, Crepidula unguliformis, Crepidula walshii
Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Crepidula (Janacus) Paetel |
| 2002 | Janacus Sepkoski |
| 2010 | Crepidula (Janacus) Moths et al. p. 34 |
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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.
Subg. Crepidula (Janacus) Paetel 1875
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Crepidula (Janacus) crepidula Linnaeus 1758
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Kiessling 2004, Abbott and Dance 1986 | |||||
Age range
Maximum range based only on fossils: base of the Lutetian to the top of the Gelasian or 48.07000 to 1.80000 Ma
Minimum age of oldest fossil (stem group age): 41.03 Ma
Minimum age of oldest fossil (stem group age): 41.03 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian | France (Centre) | Crepidula crepidula (178085) | |
| Early/Lower Miocene | Germany (North Rhein-Westfalia) | Crepidula crepidula (62882 62883) | |
| Burdigalian | Germany | Crepidula crepidula (111599) | |
| Badenian | Poland (Holy Cross Mountains) | Crepiduia crepidula (38823) | |
| Zanclean | Italy (Asti) | Crepidula crepidula (86305) | |
| Gelasian | Italy | Crepidula crepidula (178457) |