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Taxonomy
Chama (Chama) was named by Linnaeus (1758). It is extant.
It was assigned to Chama by Linnaeus (1758), Dockery (1982), Moore (1988), Freneix et al. (1988).
It was assigned to Chama by Linnaeus (1758), Dockery (1982), Moore (1988), Freneix et al. (1988).
Species lacking formal opinion data
Chama agronomica, Chama ancestralis, Chama benoisti, Chama boriesi, Chama brauni, Chama brimonti, Chama buchivacoana, Chama caimitica, Chama callimorpha, Chama callosa, Chama caloosana, Chama capanemensis, Chama ciplyensis, Chama clacarata, Chama concinnatus, Chama coopericellus, Chama coquandi, Chama corbierei, Chama corbieri, Chama corticosa, Chama cossmanni, Chama crenulata, Chama dahanaensis, Chama daidela, Chama dissimilis, Chama distans, Chama dunkeri, Chama engonia, Chama eudeiela, Chama gainesensis, Chama gamella, Chama gardnerae, Chama gigas, Chama granulosa, Chama griphoides, Chama gryphina, Chama gryphoides, Chama harrisi, Chama heilprini, Chama hillsboroughensis, Chama indossolubilis, Chama latecostata, Chama lobata, Chama minima, Chama monstrosa, Chama niasensis, Chama ovalis, Chama pannicularia, Chama papyracea, Chama paraensis, Chama pellati, Chama penthesileae, Chama placentina, Chama plinthota, Chama praetexta, Chama punctata, Chama richardsi, Chama riocanica, Chama saharica, Chama sarda, Chama selseyensis, Chama semipurpurata, Chama sinuosa, Chama species, Chama spinosa, Chama squamosa, Chama subgigas, Chama subgigas, Chama subsquamosa, Chama tampaensis, Chama tartareui, Chama taylorensis, Chama thalassopora, Chama thalera, Chama toeroeki, Chama turgida, Chama turgidula, Chama umbgrovei, Chama weinheimensis, Chama willcoxii
Synonymy list
| Year | Name and author |
|---|---|
| 1758 | Chama (Chama) Linnaeus |
| 1982 | Chama (Chama) Dockery p. 61 |
| 1988 | Chama (Chama) Freneix et al. p. 420 |
| 1988 | Chama (Chama) Moore p. D30 |
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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. Chama (Chama) Linnaeus 1758
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Chama (Chama) echinata Broderip 1835
†Chama (Chama) pappiladerma Dockery 1982
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Bartonian to the top of the Late/Upper Miocene or 41.03000 to 5.33300 Ma
Minimum age of oldest fossil (stem group age): 37.71 Ma
Minimum age of oldest fossil (stem group age): 37.71 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bartonian | Romania | Chama subgigas (101818 101820) | |
| Priabonian | Romania | Chama subgigas (101973) | |
| Rupelian | USA (Mississippi) | Chama pappiladerma (5500 5501 5612 5779) | |
| Late/Upper Miocene | Indonesia | Chama plinthota (70078) |