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Ischyrotoma anataphra
Taxonomy
Ischyrotoma anataphra was named by Fortey (1979) [Paratypes: cephalic shield, GSC 56880, 56887; cranidium, GSC 56881; pygidia, GSC 56882, 57758.]. Its type specimen is GSC 56879, a cephalon/head, and it is a 3D body fossil. Its type locality is Catoche Formation type section, which is in a Cassinian open shallow subtidal limestone/dolomite in the Catoche Formation of Canada.
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Ischyrotoma anataphra Fortey p. 104 figs. Pl. 36, fig. 1, 6 |
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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.
†Ischyrotoma anataphra Fortey 1979
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Alvarez et al. 2008, Fortey and Owens 1999 | |||||
Age range: base of the Floian to the top of the Blackhillsian or 477.70000 to 470.00000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jeffersonian | Canada (Newfoundland) | Ischyrotoma anataphra (195756 195785) | |
| Cassinian | Canada (Newfoundland and Labrador) | Ischyrotoma anataphra (69196 type locality: 103540 106239 106241 133127 133140) | |
| Cassinian | Canada (Newfoundland) | Ischyrotoma anataphra (195757 195758 195782 195784) | |
| Tulean - Blackhillsian | Canada (Newfoundland) | Ischyrotoma anataphra (195770 196380 196385) | |
| Tulean - Blackhillsian | Canada (Newfoundland and Labrador) | Ischyrotoma anataphra (195776) | |
| Arenig | Greenland | Ischyrotoma anataphra (221130) | |
| Floian | Canada (Newfoundland) | Ischyrotoma anataphra (195748) |