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Cyclocardia (Cyclocardia)
Taxonomy
Cyclocardia (Cyclocardia) was named by Conrad (1867) [DISTRIBUTION: Oligocene-Recent; Worldwide]. It is extant.
It was assigned to Cyclocardia by Conrad (1867), Moore (1976) and Moore (1992).
It was assigned to Cyclocardia by Conrad (1867), Moore (1976) and Moore (1992).
Subtaxa
Species lacking formal opinion data
Cardita subnipponica, Cyclocardia antiqua, Cyclocardia belogolovensis, Cyclocardia erimoensis, Cyclocardia ezoensis, Cyclocardia hamiltonensis, Cyclocardia kickxi, Cyclocardia kovatschensis, Cyclocardia longini, Cyclocardia orientalis, Cyclocardia ottonis, Cyclocardia pilvoensis, Cyclocardia poronaiensis, Cyclocardia praeruptensis, Cyclocardia roundiformis, Cyclocardia subnipponica, Cyclocardia tokudai, Cyclocardia wajampolkensis, Cyclocardia yakatagensis, Venericardia vestitoides
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.
Subg. Cyclocardia (Cyclocardia) Conrad 1867
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†Cyclocardia (Cyclocardia) hannibali Clark 1925
†Cyclocardia (Cyclocardia) kirkerensis Clark 1918
†Cyclocardia (Cyclocardia) montereyana Arnold 1908
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, superf = superfamily | |||||
References: Sanchez Roig 1926, Todd 2001 |
Age range: base of the Rupelian to the top of the Piacenzian or 33.90000 to 2.58800 Ma
Collections (17 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Rupelian | USA (Washington) | Venericardia hannibali (180418 180419) | |
Chattian | USA (Oregon) | Cyclocardia hannibali (37680) | |
Chattian | Denmark | Cyclocardia grossecostata (111472 111474 111475) | |
Burdigalian | Germany | Cyclocardia sp. (111599) | |
Langhian - Serravallian | Netherlands | Cyclocardia sp. (186883 186884) | |
Langhian - Serravallian | USA (California) | Cyclocardia montereyana (37539 37541) | |
Tortonian | Denmark | Cyclocardia orbicularis (98312) | |
Zanclean | Belgium | Cyclocardia orbicularis (86801 86802) | |
Piacenzian | Belgium | Cyclocardia orbicularis (86803 86804 86805) |