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Herrickiceras costatum
Taxonomy
Placenticeras costata was named by Herrick and Johnson (1900). It is a 3D body fossil.
It was recombined as Herrickiceras costatus by Kennedy and Simmons (1991); it was recombined as Herrickiceras costatum by Cobban and Hook (1980), Sealey and Lucas (2019).
It was recombined as Herrickiceras costatus by Kennedy and Simmons (1991); it was recombined as Herrickiceras costatum by Cobban and Hook (1980), Sealey and Lucas (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Placenticeras costata Herrick and Johnson p. 214 figs. pl. 28, figs. 2, 3 |
| 1980 | Herrickiceras costatum Cobban and Hook p. 22 figs. Pl 19, figs 10-18; text-fig 16 |
| 1991 | Herrickiceras costatus Kennedy and Simmons p. 143 |
| 2019 | Herrickiceras costatum Sealey and Lucas p. 182 fig. 74 |
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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.
†Herrickiceras costatum Herrick and Johnson 1900
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Middle Turonian to the top of the Late/Upper Campanian or 93.90000 to 72.20000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Turonian | USA (New Mexico) | Herrickiceras costatum (178761 178773) | |
| Late/Upper Campanian | USA (Colorado) | Placenticeras costatum (162249) |