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Latoplatecarpus
Taxonomy
Latoplatecarpus was named by Konishi and Caldwell (2011).
It was assigned to Plioplatecarpinae by Konishi and Caldwell (2011), Driscoll et al. (2019); and to Plioplatecarpini by Longrich et al. (2024).
It was assigned to Plioplatecarpinae by Konishi and Caldwell (2011), Driscoll et al. (2019); and to Plioplatecarpini by Longrich et al. (2024).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Latoplatecarpus Konishi and Caldwell pp. 756-757 |
| 2019 | Latoplatecarpus Driscoll et al. |
| 2024 | Latoplatecarpus Longrich et al. |
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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.
G. †Latoplatecarpus Konishi and Caldwell 2011
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†Latoplatecarpus nichollsae Cuthbertson et al. 2007
†Latoplatecarpus willistoni Konishi and Caldwell 2011
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. Konishi and M. W. Caldwell 2011 | Autapomorphies of taxon within Plioplatecarpinae: dorsal border of internarial bar anteriorly elevated, producing distinctly bulging profile immediately posterior to dentigerous rostrum; last two and half tooth positions on maxilla underlying orbit; parietal foramen pyriform; posterolateral borders of parietal table gently concave or straight; parietal crest distinct, often pointed; posteroventral process of jugal blunt, obtusely angled; vertical ramus of jugal distally tapering but retaining distinct concavity for articulation with postorbitofrontal; basal tubera highly bulbous; scapular blade semicircular. Differing from Plioplatecarpus in: skull table lacking arched profile; parietal crest present; descensus processus parietalis posterior border originating anterior to parietal fossa; jugal posteroventral process present; jugal horizontal ramus at least twice as long as vertical ramus; quadrate ala planar; quadrate mandibular condyle wider than long; surangular progressively deepening anteriorly; coronoid dorsal border concave; scapula sub-equal in size to coracoid; anteroventral border of scapular blade shorter than articular condyle length; proximal articular surface of humerus planar; proximodorsal border of humerus straight. Differing from Platecarpus tympaniticus in: premaxillary-maxillary suture posteriorly terminating anterior to anteriorly deepest portion of maxilla; ventrolateral processes of frontal anteriorly diverging, flanking pair of parolfactory-bulb recesses; parietal postorbital process laterally extending for nearly entire length of anterior border of upper temporal fenestra; same process forming dorsal skull surface posteriorly adjacent to frontal ala; dorsal surface of anteromedial process of postorbitofrontal bearing two distinct articular concavities for frontal and parietal postorbital process anteriorly and posteriorly, respectively; jugal posteroventral process lacking keel; coronoid posterior process low, often round; surangular forming at least 50% of glenoid fossa; pygal count more than 10; anteroventral border of scapular blade extending (sub-)perpendicular to condylar neck; humeral pectoral crest enormous; distance across ectepicondyle and entepicondyle exceeding humerus length; phalanges dumbbell-shaped. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Gervais 1852, Carroll 1988, Kiessling 2004 | |||||
Age range: Early/Lower Campanian or 83.60000 to 72.20000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | Canada (Manitoba) | Plioplatecarpus nichollsae (23366 96685) Plioplatecarpus nichollsae, L. willistoni (36446) |