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Krithidae
Taxonomy
Krithidae was named by Mandelstam (1958). It is extant.
It was assigned to Cytheracea by Hazel and Holden (1971), Ayress (1995); to Cytherideoidea by Liebau (2005), Bergue and Govindan (2010); and to Cytheroidea by Yamaguchi et al. (2016).
It was assigned to Cytheracea by Hazel and Holden (1971), Ayress (1995); to Cytherideoidea by Liebau (2005), Bergue and Govindan (2010); and to Cytheroidea by Yamaguchi et al. (2016).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Krithidae Mandelstam |
| 1971 | Krithidae Hazel and Holden p. 5 |
| 1995 | Krithidae Ayress p. 915 |
| 2005 | Krithidae Liebau |
| 2010 | Krithidae Bergue and Govindan |
| 2016 | Krithidae Yamaguchi et al. p. 413 figs. Table 3 |
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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.
Fm. Krithidae Mandelstam 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Jell and Adrain 2002 | |||||
Age range
Maximum range based only on fossils: base of the Priabonian to the top of the Zanclean or 37.71000 to 3.60000 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Collections (24 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian | Indian Ocean | Parakrithe vermunti (201927) | |
| Rupelian | Indian Ocean | Parakrithe vermunti (201938 201940) | |
| Rupelian | USA (Washington) | Krithidae indet. (240702) | |
| Chattian | USA (Washington) | Krithidae indet. (205201) | |
| Burdigalian | Italy (Sardinia) | Parakrithe ariminiensis (93938) Parakrithe declivis (93937 93942) Parakrithe declivis, Parakrithe ariminiensis (93944) | |
| Serravallian | Poland | Parakrithe rotundata (138846 138847 138848 138849 138850 138851 138852) | |
| Tortonian | Italy (Campania) | Parakrithe dactylomorpha (78631) | |
| Tortonian | Greece | Parakrithe ariminensis (138312 138336 138424 138425 138578 138584) | |
| Messinian - Zanclean | North Atlantic | Parakrithe elongata (201900) |