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Hardmanoceras
Taxonomy
Hardmanoceras was named by Teichert and Glenister (1952) [Sepkoski's age data: O Aren-u Sepkoski's reference number: 524]. Its type is Hardmanoceras lobatum.
It was assigned to Trocholitidae by Teichert and Glenister (1952), Teichert et al. (1964), Crick (1981) and Stait and Burrett (1984); and to Tarphyceratida by Sepkoski (2002).
It was assigned to Trocholitidae by Teichert and Glenister (1952), Teichert et al. (1964), Crick (1981) and Stait and Burrett (1984); and to Tarphyceratida by Sepkoski (2002).
Species
H. chrysanthimum, H. lobatum (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Hardmanoceras Teichert and Glenister |
| 1964 | Hardmanoceras Teichert et al. p. 361 |
| 1981 | Hardmanoceras Crick p. 228 |
| 1984 | Hardmanoceras Stait and Burrett |
| 2002 | Hardmanoceras 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.
G. †Hardmanoceras Teichert and Glenister 1952
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†Hardmanoceras chrysanthimum Kobayashi 1959
†Hardmanoceras lobatum Teichert and Glenister 1952
Diagnosis
No diagnoses are available