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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Calculites stevensi
Taxonomy
Calculites stevensi was named by Fortey (1983). Its type specimen is ROM 42283, a cephalon/head (cranidium), and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Calculites stevensi Fortey p. 192 figs. Pl. 24, figs. 17, 22, 24 |
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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.
†Calculites stevensi Fortey 1983
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: Tremadocian or 485.40000 to 477.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadocian | Canada (Newfoundland and Labrador) | Calculites stevensi (105854) |