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Taxonomy
Chione richthofeni was named by Hertlein and Jordan (1927) [DISTRIBUTION: Early-Middle Miocene; Pacific coast, North America.]. Its type specimen is LSJU 66, a shell, and it is a 3D body fossil. Its type locality is LSJU Loc. 66, San Ignacio [Isidro Fm], which is in a Miocene marine sandstone in the Isidro Formation of Mexico.
It was recombined as Chione (Gnidiella) richthofeni by Parker (1949); it was recombined as Chione (Chionopsis) richthofeni by Adegoke (1969).
It was recombined as Chione (Gnidiella) richthofeni by Parker (1949); it was recombined as Chione (Chionopsis) richthofeni by Adegoke (1969).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Chione richthofeni Hertlein and Jordan p. 619 figs. pl. 17, figs. 4, 7, 8 |
| 1932 | Chione richthofeni Loel and Corey p. 224 figs. Plate 42, figure 3 |
| 1949 | Chione (Gnidiella) richthofeni Parker p. 584 figs. Plate 91, figure 16 |
| 1969 | Chione (Chionopsis) richthofeni Adegoke p. 138 |
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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.
†Chione (Chionopsis) richthofeni Hertlein and Jordan 1927
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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, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: base of the Chattian to the top of the Middle Miocene or 27.30000 to 11.63000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chattian | USA (California) | Chione richthofeni (52390 52415) | |
| Early/Lower Miocene | Mexico (Baja California Sur) | Chione richthofeni (43814 96570) | |
| Early/Lower Miocene | USA (California) | Chione richthofeni (71215 71217 71221 71222 71223 71226 71228 196138 238191 238243 238261) | |
| Barstovian - Hemphillian | Mexico (Baja California Sur) | Chione richthofeni (18731) | |
| Middle Miocene | Mexico (Baja California) | Chione richthofeni (52181) | |
| Middle Miocene | USA (California) | Chione richthofeni (44940) |