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Euchitonia
Taxonomy
Euchitonia was named by Ehrenberg (1860) [Sepkoski's age data: K Albi-m R]. It is extant. Its type is Euchitonia furcata.
It was assigned to Spongodiscidae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).
It was assigned to Spongodiscidae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1860 | Euchitonia Ehrenberg |
| 2001 | Euchitonia De Wever et al. p. 158 |
| 2002 | Euchitonia Sepkoski |
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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. Euchitonia Ehrenberg 1860
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Euchitonia furcata Ehrenberg 1873
Euchitonia muelleri Haeckel 1862
†Euchitonia santonica Lipman 1952
†Euchitonia triradiata Lipman 1960
Euchitonia virchowii Haeckel 1862
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range
Maximum range based only on fossils: base of the Coniacian to the top of the Late/Upper Pleistocene or 89.80000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 85.7 Ma
Minimum age of oldest fossil (stem group age): 85.7 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Coniacian | Russian Federation (Vladimir) | E. santonica (95993) | |
| Late/Upper Coniacian | Germany (Bayern) | E. santonica (95842) | |
| Late/Upper Coniacian - Early/Lower Santonian | Russian Federation (Moskovskaya Oblast) | E. santonica, E. triradiata (95980) | |
| Early/Lower Santonian | Russian Federation (Moskovskaya Oblast) | E. santonica (95977) | |
| Late/Upper Santonian | Germany (Bayern) | E. santonica (95841) | |
| Santonian | Russian Federation (Volgograd) | E. santonica (95166) | |
| Santonian | Russian Federation (Tambov) | E. santonica (95160 95161 95162) | |
| Santonian - Early/Lower Campanian | Russian Federation (Tambov) | E. santonica (95159) | |
| Santonian - Early/Lower Campanian | Russian Federation (Oryol) | E. santonica (95163) | |
| Santonian - Early/Lower Campanian | Russian Federation (Vladimir) | E. santonica (95986) | |
| Middle Pleistocene | Japan | Amphirhopalum virchowii, Dictyocoryne muelleri (233640 233708 233709 233710 233711) Dictyocoryne muelleri (233712) | |
| Middle Pleistocene - Late/Upper Pleistocene | Japan | Dictyocoryne muelleri (233713) | |
| Late/Upper Pleistocene | Japan | Dictyocoryne muelleri (233714) |