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Cardioceras cordatum
Taxonomy
Ammonites cordatus was named by Sowerby (1813). Its type specimen is BMNH 43980b and is a 3D body fossil. It is the type species of Cardioceras, Cardioceras (Cardioceras).
It was recombined as Cardioceras (Cardioceras) cordatum by Schlegelmilch (1994); it was recombined as Cardioceras cordatum by Jantschke et al. (2025).
It was recombined as Cardioceras (Cardioceras) cordatum by Schlegelmilch (1994); it was recombined as Cardioceras cordatum by Jantschke et al. (2025).
Sister species lacking formal opinion data
C. alternans, C. alternoides, C. bauhini, C. castellatum, C. delicatum, C. mauntjoi, C. nathorsti, C. percaelatum, C. quadrarium, C. s.s., C. subangulata, C. alternoides, C. cordatiforme, C. girardoti, C. persecans, C. korys, C. kokeni, C. popilaniense, C. popilianense, C. tenuistriatum, C. carniferum, C. moderatum, C. alphacordatum, C. obliteratum, C. reesidei, C. sequanicum, C. subexcavatum, C. costulosum, C. sowerbyi, C. zenaidae, C. quadrarium, C. sequanicum
Synonymy list
| Year | Name and author |
|---|---|
| 1813 | Ammonites cordatus Sowerby |
| 1994 | Cardioceras (Cardioceras) cordatum Schlegelmilch p. 25 |
| 2025 | Cardioceras cordatum Jantschke et al. p. 19 figs. Pl 1, figs 1-10 |
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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.
†Cardioceras cordatum Sowerby 1813
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Diagnosis
No diagnoses are available