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Meraxes gigas
Taxonomy
Meraxes gigas was named by Canale et al. (2022). Its type specimen is MMCh-PV 65, a partial skeleton, and it is a 3D body fossil. Its type locality is Las Campanas creek, which is in a Cenomanian/Turonian floodplain sandstone in the Huincul Formation of Argentina. It is the type species of Meraxes.
Synonymy list
| Year | Name and author |
|---|---|
| 2022 | Meraxes gigas Canale et al. p. 1–2 fig. 1 |
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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.
†Meraxes gigas Canale et al. 2022
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. I. Canale et al. 2022 | Adult specimen with two openings within the antorbital fossa of the maxilla; jugal stepped along caudal edge of the postorbital process; postorbital with a low and rounded lateral horn on the squamosal process; lacrimal with rounded projections along its dorsal margin; quadratojugal with a deep and rounded fossa on its lateral surface; sacral vertebral neural spines almost completely co-ossified; anterior caudal vertebrae with complex hyposphene-hypantrum articulations; humerus with internal tuberosity separated from humeral head by a cleft and an ovoid fossa on its anteroproximal surface; strongly enlarged 2nd pedal claw, almost twice the length of the digit IV ungual. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Marsh 1875 | |||||
Age range: base of the Late/Upper Cenomanian to the top of the Turonian or 100.50000 to 89.80000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian - Turonian | Argentina (Neuquén) | Carcharodontosauridae indet. (type locality: 123202) |