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Kerberosaurus manakini
Taxonomy
Kerberosaurus manakini was named by Bolotsky and Godefroit (2004). Its type specimen is AEHM 1/319, a partial skull, and it is a 3D body fossil. Its type locality is Blagoveschensk, which is in a Maastrichtian crevasse splay claystone/claystone in the Udurchukan Formation of the Russian Federation. It is the type species of Kerberosaurus.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 2004 | Kerberosaurus manakini Bolotsky and Godefroit p. 352 figs. 2-5 |
| 2004 | Kerberosaurus manakini Godefroit et al. p. 149 |
| 2006 | Kerberosaurus manakini Lund and Gates p. 273 |
| 2010 | Kerberosaurus manakini Alifanov and Bolotsky p. 85 |
| 2010 | Kerberosaurus manakini Prieto-Marquez and Salinas p. 835 fig. 20 |
| 2010 | Kerberosaurus manakini Prieto-Márquez p. 5 fig. 2 |
| 2010 | Kerberosaurus manakini Prieto-Márquez and Wagner p. 1243 fig. 3 |
| 2011 | Kerberosaurus manakini Godefroit et al. p. 170 |
| 2011 | Kerberosaurus manakini Prieto-Márquez p. 475 |
| 2011 | Kerberosaurus manakini Sun et al. p. 125 |
| 2012 | Kundurosaurus nagornyi Godefroit et al. p. 528 |
| 2012 | Kerberosaurus manakini Godefroit et al. p. 1 |
| 2012 | Kundurosaurus nagornyi Godefroit et al. pp. 2-15 figs. 2-19 |
| 2012 | Kerberosaurus manakini Prieto-Márquez p. 518 |
| 2012 | Kerberosaurus manakini Ramírez-Velasco et al. p. 392 |
| 2013 | Kerberosaurus manakini Prieto-Marquez |
| 2014 | Kerberosaurus manakini Bolotsky et al. p. 320 |
| 2014 | Kerberosaurus manakini Xing et al. p. 1806 |
| 2016 | Kerberosaurus manakini Lehman et al. p. 346 |
| 2016 | Kundurosaurus nagornyi Mori et al. p. 22 |
| 2017 | Kundurosaurus nagornyi Cruzado-Caballero and Powell p. 5 |
| 2017 | Kerberosaurus manakini Cruzado-Caballero and Powell p. 12 fig. 13 |
| 2021 | Kerberosaurus manakini McDonald et al. p. 14 |
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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.
†Kerberosaurus manakini Bolotsky and Godefroit 2004
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Invalid names: Kundurosaurus nagornyi Godefroit et al. 2012 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Y. L. Bolotsky and P. Godefroit 2004 | Basisphenoid process of prootic deeply excavated by a pocket-like depression; groove for ramus ophthalmicus (V1) of trigeminal ner ve particularly widened on lateral side of laterosphenoid; postotic foramina not limited rostrally by a prominent ridge; frontal particularly narrow medio-laterally; rostral margin of parietal depressed; circumnarial depression limited dorsocaudally by a strong, wide and flattened crest on the lateral side of the nasal around the external nares; very prominent hook-like palatine process on maxilla. | |
| P. Godefroit et al. 2011 | Basipterygoid process of prootic deeply excavated by a pocket-like depression; groove for ramus ophthalmicus (V1) of trigeminal nerve particularly widened on lateral side of laterosphenoid; postotic foramina not limited rostrally by a prominent ridge; frontal particularly narrow medio-laterally; rostral margin of parietal depressed; circumnarial depression limited dorsocaudally by a strong, wide and flattened crest on the lateral side of the nasal around the external nares; very prominent hook-like palatine process on maxilla. | |
| P. Godefroit et al. 2012 (Kundurosaurus nagornyi) | Saurolophinae characterized by the following autapomorphies: prominent and thick ridge on the lateral side of the nasal that borders caudally the circumnasal depression and invades the caudal plate of the nasal; caudal buttress of proximal head of scapula oriented quite laterally, parallel to the pseudoacromial process; preacetabular process of ilium straight and only moderately deflected ventrally (angle of ventral deflection: 160degrees): it does not reach the level of the plane formed by the bases of the iliac and pubic peduncles; axis of the postacetabular process strongly twisted along its length, so that its lateral side progressively faces dorsolaterally. | |
| H. Xing et al. 2014 | Large-sized hadrosaurine hadrosaurid characterized by the following autapomorphies: prominent, falcate lateral ridge of the nasal located anterior to the orbit, which is relatively short and entirely limited to the posterodorsal corner of the dorsoventrally deep and strongly invaginated circumnarial fossa; strongly projecting proximally medial process of the ulna relative to the lateral process of the bone; and proximoventral buttress of the scapula directed laterally and parallel with the acromion process, so that the lateral side of the proximal end of the bone is strongly concave. Also diagnosed by the following unique combination of features: slightly bent anteroventrally, strap-like preacetabular process of the ilium that does not reach the level containing the bases of the pubic and ischial peduncles of the bone; and lateral side of the iliac postacetabular process that gradually twists dorsomedially and faces laterodorsally towards the posteriormost end of the bone. This taxon differs from both Edmontosaurus and Shantungosaurus in having the more steeply inclined posterodorsally laterodorsal margin of the maxillary anteroventral process, an anteroposteriorly narrow jugal process of the postorbital, the relatively elongate dorsal margin of the infratemporal fenestra, the flat dorsal surface of the paired frontals, a moderately posteroventrally deflected occipital condyle, and the subrectangular prepubic blade of the pubis that is much more expanded ventrally than dorsally; differs from Edmontosaurus in possessing a moderately laterally expanded postorbital with a small, shallow anteromedial fossa between the top of the nearly vertical, medioventrally directed ridge and dorsal orbital margin of the bone, as well as lacking a well-developed fossa along the lateral half of the posteroventral side of the prefrontal; also differs from Shantungosaurus in bearing a slightly concave dorsal margin of the parietal sagittal crest, and a posterodorsally-anteroventrally oriented central shelf of the paired exoccipitals that is approximately twice as tall as the foramen magnum. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||
Age range: Late/Upper Maastrichtian or 70.60000 to 66.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | Russian Federation (Amur) | Gryposaurus asiaticus (38134) Kerberosaurus manakini (type locality: 47029) |