Muraenosaurus leedsii SEELEY 1874a
Genus
Etymology
from the Leeds collection
Diagnosis BROWN 1981b
Member of the genusMuraeonosaurus in which the cervical ribs rarely develop a prominent anterior flange'; the interclavicle is plate-like with a median anterior notch and a median posteror projection; the the manus the intermedium has a very small contact with the radius and a large articulation with the ulna; the overall length of the adult is 4.5 to 5.2 metres.
Specimens
| Museum of Le Havre - coll. G. & E. Pennetier | |
| MLH(GEP) not known | An hemipectoral girdle and 3 associated cervical vertebrae |
| New Walk Museum, Leicester | |
| LEICT G.18.1996 | More or less complete skeleton |
| LEICT G2.1998.10 | right Humerus |
| LEICT G2.1998.11 | left Humerus |
| LEICT G2.1998.3 | left Femur |
| LEICT G2.1998.6 | right humerus or femur |
| LEICT G2.1998.9 | right Femur |
| LEICT G418.1956.35 | right Femur |
| LEICT G418.1956.40 | left Humerus |
| LEICT G418.1956.44 | right Humerus |
| LEICT G418.1956.52 | left Humerus |
| LEICT G418.1956.53 | left Femur |
| LEICT G418.1956.57 | left Femur |
| LEICT G418.1956.72 | right Femur |
| LEICT G418.1956.73 | right Femur |
| Oxford University Museum of Natural History | |
| OUM J25929-41 | 8 cervical and 5 dorsal vertebrae. |
| Peterborough Museum and Art Gallery | |
| PET R.105 | right Femur |
| PET R.105a | right Femur |
| PET R.106 | right Humerus |
| PET R.11 | left Humerus |
| PET R.240 | limb bones |
| PET R.36 | right Femur |
| Scunthorpe Museum | |
| SCM P.2916 | dentary, small fragments of a splenial, 4 metacarpals |
| Sedgwick Museum, Cambridge | |
| SMC J30069 | isolated tooth (?juvenile) |
| SMC J30070 | isolated tooth (?juvenile) |
| SMC J30071 | isolated tooth (?juvenile) |
| The Natural History Museum, London | |
| BMNH R 2421 | Basioccipital, exoccipitals, basisphenoid, parts of maxilla, premaxillae, portions of parietals, and frontals, portions of the mandible, 44 cervical vertebrae, 2 pectorals, 19 dorsals, and 12 sacrals and caudals, many of the vertebrae have the fused neural arches |
| BMNH R 2422 | Basioccipital, basisphenoid, exoccipital, and opisthotic, a nearly complete mandible, atlas, axis, 42 cervicals, 19 dorsals, and 24 caudals, numerous ribs, imperfect shoulder-girdle, fore paddles, ilia,ischium, part of pubis and hind paddles. Incomplete 'old adult' skeleton. (Brown 1981) Neurocranium figured by Andrews (1910) |
| BMNH R 2423 | Basiocciptial, basisphenoid, supraoccipital, part of squamosal, the articular portions of the mandible, atlas, axis, 40 cervical vertebrae wanting ribs and arches, 19 dorsals, and 19 caudals, crushed neural arches, fragments of scapulae and ischium, humer |
| BMNH R 2424 | 34 cervicals, 2 pectorals, 23 dorsals including 2 sacrals, 19 caudals, cervical and caudal ribs, 5 complete neural arches, 4 dorsal and 1 caudal, with portions of several others are preserved. Several cervical ribs and several more or less nearly complete gastral ribs Incomplete 'juvenile' post-cranial skeleton. (Brown 1981) Clavicle figured by Seeley (1892) |
| BMNH R 2426 | Incomplete 'adult' post-cranial skeleton. (Brown 1981) Interclavicle figured by Seeley (1892) |
| BMNH R 2426 | 10 cervical vertebrae, 11 dorsals, and 14 caudals, mostly wanting the neural arches and much crushed and distorted, portions of the coracoids, and scapulae, an imperfect interclavicle with traces of the thin adherent clavicle, on one side, humeri, radii, |
| BMNH R 2427 | Basioccipital and basisphenoid, exoccipitals, premaxilla, parts of mandible including the symphysial regions the atlas and axis, and 36 cervical vertebrae, the fused neural arches and cervical ribs broken away in nearly all cases, 11 dorsal and 13 caudal |
| BMNH R 2428 | Incomplete 'juvenile' post-cranial skeleton. (Brown 1981) partly figured by Andrews (1895). Holotype of M.durobrivensis |
| BMNH R 2478 | Incomplete 'adult' skeleton. (Brown 1981) partly figured by Seeley (1892) and Andrews (1910) as holotype of M.platyclis |
| BMNH R 2628 (R 2428?) | 29 cervicals, 2 pectorals, 14 dorsals and some caudals, coracoids and scapulae, imperfect fore paddles, ilia, ischia, and 1 pubis, incomplete hind paddles |
| BMNH R 2681 | Basioccipital, exoccipital, opisthotic, and supraoccipital, a nearly complete mandible, atlas, axis, 27 cervicals, mostly with fused arches and ribs broken away, 9 dorsal and 2 caudal vertebrae, about 20 dorsal and cervical ribs, some portions of ventral |
| BMNH R 2861 | Incomplete 'adult' skeleton. (Brown 1981) partly figured by Andrews (1910) as holotype of M.durobrivensis |
| BMNH R 2863 | Incomplete 'juvenile' skeleton. (Brown 1981) Fragments of skull and mandible, 42 cervical vertebrae, 2 pectorals, 21 dorsals and 8 sacrals, and caudal vertebrae, numerous ribs, ventral ribs, coracoids, scapulae and interclavicle, humerus and some other bones of fore paddle, ilia, ischia, pubes, femo |
| BMNH R 2864 | Basioccipital, basisphenoid with part of parasphenoid, portions of exoccipitals, of frontals, and of premaxillae, vomer and part of the pteryogid, quadrate, greater part of mandible, several detached teeth, 45 cervical and pectoral vertebrae, 20 dorsals 'Adult' skeleton (Brown 1981) Limbs figured by Andrews (1910) |
| BMNH R 3704 | Pectoral girdle of an 'old adult' (Brown 1981) Figured by Andrews (1910) |
| BMNH R 44187 | Cervical centrum. |
| University of Liverpool | |
| LIVUNI 4539 | imperfect skeleton of medium size. Posterior part of one mandibular ramus; 49 vertebrae: 11 cervicals, 21 dorsals, 4 sacrals, 13 caudals; neural arches; coracoids; humerus, radius and ulna; a number of phalanges; a few ventral ribs; complete pelvic girdle; both femora; |
| LIVUNI 4540 | a pair of femora |
| unknown | |
| not known | Vertebrae |
| not known | Vertebrae |
| not known | Centrum |
| not known | Centra |