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Calycoceras (Calycoceras)
Taxonomy
Calycoceras (Calycoceras) was named by Hyatt (1900). Its type is Ammonites navicularis.
It was assigned to Calycoceras by Cooper (1978), Kennedy and Simmons (1991), Kennedy (1994), Wright et al. (1996), Kennedy et al. (1996), Kennedy et al. (1996), Barroso-Barcenilla (2004) and Guendouz et al. (2022).
It was assigned to Calycoceras by Cooper (1978), Kennedy and Simmons (1991), Kennedy (1994), Wright et al. (1996), Kennedy et al. (1996), Kennedy et al. (1996), Barroso-Barcenilla (2004) and Guendouz et al. (2022).
Subtaxa
Calycoceras (Calycoceras) boreale, Calycoceras (Calycoceras) dromense, Calycoceras (Calycoceras) inflatum, Calycoceras (Calycoceras) naviculare (syn. Calycoceras (Metacalycoceras) stoliczkai, Mantelliceras oregonense, Calycoceras obrieni, Calycoceras (Metacalycoceras) auspicium, Metacalycoceras grossouvrei, Acanthoceras borgesi)
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1900 | Calycoceras (Calycoceras) Hyatt |
1978 | Calycoceras (Calycoceras) Cooper p. 85 |
1991 | Calycoceras (Calycoceras) Kennedy and Simmons p. 136 |
1994 | Calycoceras (Calycoceras) Kennedy p. 227 |
1996 | Calycoceras (Calycoceras) Kennedy et al. p. 313 |
1996 | Calycoceras (Calycoceras) Kennedy et al. p. 3 |
1996 | Calycoceras (Calycoceras) Wright et al. p. 164 |
2004 | Calycoceras (Calycoceras) Barroso-Barcenilla p. 89 |
2022 | Calycoceras (Calycoceras) Guendouz et al. p. 2163 |
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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. †Calycoceras (Calycoceras) Hyatt 1900
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†Calycoceras (Calycoceras) boreale Kennedy et al. 1996
†Calycoceras (Calycoceras) dromense Thomel 1972
†Calycoceras (Calycoceras) inflatum Cobban et al. 1989
†Calycoceras (Calycoceras) naviculare Mantell 1822
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Invalid names: Acanthoceras borgesi Douville 1931 [synonym], Calycoceras (Metacalycoceras) auspicium Anderson 1958 [synonym], Calycoceras (Metacalycoceras) stoliczkai Collignon 1937 [synonym], Calycoceras obrieni Young 1957 [synonym], Mantelliceras oregonense Anderson 1958 [synonym], Metacalycoceras grossouvrei Spath 1926 [synonym]
Diagnosis
Reference | Diagnosis | |
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C. W. Wright et al. 1996 | Medium-sized to large; whorl section normally depressed and may be polygonal; ribs more or less distant and coarse; all tubercles except umbilical normally absent in middle growth, but weak outer ventrolaterals may persist and be rejuvenated on body chamber. |