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Taxonomy
Chione posorjensis was named by Olsson (1931). Its type locality is Basal Heath or Caleto Mero Shales, which is in an Oligocene shoreface sandstone/shale in the Heath Formation of Peru.
It was recombined as Chione (Chionopsis) posorjensis by Woodring (1982).
It was recombined as Chione (Chionopsis) posorjensis by Woodring (1982).
Sister species lacking formal opinion data
C. aglaurae, C. argentina, C. basteroti, C. berjadinensis, C. biali, C. burnsii, C. byorituensis, C. cardioides, C. cathartensis, C. cathartensis, C. cathcariensis, C. cordeliae, C. craspedonta, C. cribaria, C. dijki, C. erosa, C. gardnerae, C. hendersoni, C. idiomorpha, C. imitabilis, C. interpurpurea, C. kroensis, C. latilirata, C. martini, C. morsitans, C. multilamella, C. pachytesta, C. pailasana, C. perbrevisformis, C. praecursor, C. procancellata, C. propinqua, C. returgida, C. subsrostrata, C. tateiwai, C. tjikoraiensis, C. undatella, C. woodwardsi, C. matulina, C. matutina, C. rhodia, C. araneosa, C. erosa, C. lacinosa, C. mamoensis, C. pailasana, C. procancellata, C. thalassopora, C. vaca, C. pullcaria, C. taftoni, C. basteroti, C. acuminata, C. ballista, C. burnsii, C. caroniana, C. crossata, C. cultellata, C. cymaina, C. ebergenyi, C. glyptocyma, C. grauensis, C. hendersoni, C. kelletti, C. latilirata, C. penthesileae, C. praepaphia, C. sanctidavidis, C. sellardsi, C. ulocyma, C. ulocyma, C. ulocyma, C. usiacruina, C. xesta, C. tacaguana, Chionopsis atlantica, Chionopsis atlanticana, Chionopsis bolivarensis, Chionopsis walli, Chionopsis australis, Venus ebergengyii, Venus mindanensis, Venus pygmaea, Venus spurca, Venus taiwanensis, Venus yabei
Synonymy list
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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) posorjensis Olsson 1931
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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: Aberhan et al. 2004, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: Late/Upper Oligocene or 27.30000 to 23.04000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene - Late/Upper Oligocene | Ecuador (Guayas) | Chione posorjensis (61201) | |
| Chattian | Panama | Chione posorjensis (42558) | |
| Late/Upper Oligocene | Panama | Chione posorjensis (42556 42557 92982) | |
| Late/Upper Oligocene | Peru (Piura) | Chione posorjensis (type locality: 64559) |