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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Grantiidae
Taxonomy
Grantiidae was named by Dendy (1893). It is extant. Its type is Grantia.
It was assigned to Sycettida by Finks et al. (2004).
It was assigned to Sycettida by Finks et al. (2004).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1893 | Grantiidae Dendy |
| 2004 | Grantiidae Finks et al. p. 737 |
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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.
Fm. Grantiidae Dendy 1893
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G. Grantia Fleming 1828
G. †Protoleucon
G. †Protosycon
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Bambach et al. 2007, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Oxfordian to the top of the Early/Lower Kimmeridgian or 157.90000 to 152.21000 Ma
Minimum age of oldest fossil (stem group age): 152.21 Ma
Minimum age of oldest fossil (stem group age): 152.21 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Oxfordian - Early/Lower Kimmeridgian | Portugal | Protosycon sp. (68590) |