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Euthlastus cordiformis
Taxonomy
Euthlastus cordiformis was named by Simpson (1927). Its type specimen is YPM 13755, a maxilla (right maxilla with last four molars, all broken), and it is a 3D body fossil. Its type locality is Quarry 9, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian fluvial-lacustrine mudstone/sandstone in the Morrison Formation of Wyoming. It is the type species of Euthlastus.
Synonymy list
Year | Name and author |
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1927 | Euthlastus cordiformis Simpson p. 414 |
1929 | Euthlastus cordiformis Simpson pp. 79-80 |
1930 | Euthlastes cordiformis Hay p. 374 |
1979 | Euthlastus cordiformis Kraus p. 164 |
1998 | Euthlastus cordiformis Engelmann and Callison p. 376 |
2004 | Euthlastus cordiformis Kielan-Jaworowska et al. pp. 380, 391 |
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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.
†Euthlastus cordiformis Simpson 1927
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class, subp = subphylum | |||||
References: Horovitz et al. 2009, Carroll 1988, Clemens 1979, Hendy et al. 2009, Hopson 1973 |
Age range: base of the Kimmeridgian to the top of the Tithonian or 157.30000 to 145.00000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Kimmeridgian - Tithonian | USA (Utah) | Euthlastus cordiformis (53035) | |
Kimmeridgian - Tithonian | USA (Wyoming) | Euthlastus cordiformis (type locality: 12816) |