| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cardioceras (Maltoniceras)
Taxonomy
Maltoniceras was named as a genus. It is not extant. Its type is Ammonites maltonensis.
It was reranked as Cardioceras (Maltoniceras) by Schlegelmilch (1994).
It was assigned to Cardioceratinae by Arkell et al. (1957); to Cardioceras by Schlegelmilch (1994); and to Ammonoidea by Sepkoski (2002).
It was reranked as Cardioceras (Maltoniceras) by Schlegelmilch (1994).
It was assigned to Cardioceratinae by Arkell et al. (1957); to Cardioceras by Schlegelmilch (1994); and to Ammonoidea by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Cardioceras alphacordatum, Cardioceras alternans, Cardioceras alternoides, Cardioceras alternoides, Cardioceras bauhini, Cardioceras carniferum, Cardioceras castellatum, Cardioceras cordatiforme, Cardioceras cordatum, Cardioceras costulosum, Cardioceras delicatum, Cardioceras girardoti, Cardioceras kokeni, Cardioceras korys, Cardioceras mauntjoi, Cardioceras moderatum, Cardioceras nathorsti, Cardioceras obliteratum, Cardioceras percaelatum, Cardioceras persecans, Cardioceras popilaniense, Cardioceras popilianense, Cardioceras quadrarium, Cardioceras quadrarium, Cardioceras reesidei, Cardioceras s.s., Cardioceras sequanicum, Cardioceras sequanicum, Cardioceras sowerbyi, Cardioceras subangulata, Cardioceras subexcavatum, Cardioceras tenuistriatum, Cardioceras zenaidae
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Maltoniceras Arkell et al. p. 306 |
| 1994 | Cardioceras (Maltoniceras) Schlegelmilch p. 28 |
| 2002 | Maltoniceras Sepkoski |
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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. †Cardioceras (Maltoniceras)
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†Cardioceras (Maltoniceras) highworthense Arkell 1941
†Cardioceras (Maltoniceras) kostromense Nikitin 1884
†Cardioceras (Maltoniceras) maltonense Young and Bird 1822
†Cardioceras (Maltoniceras) schellwieni Boden 1911
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Oxfordian or 161.50000 to 154.80000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oxfordian | France | Cardioceras kokeni (12285 12286) | |
| Middle Oxfordian | Russian Federation | Cardioceras kokeni (58826) | |
| Middle Oxfordian | France | Cardioceras maltonense (12291) Cardioceras schellwieni (163585 163587) | |
| Oxfordian | United Kingdom (Scotland) | Cardioceras sp. (163721) |