Species: longirostris WIMAN, 1929
Etymology:
= Mixosaurus longirsotris (WIMAN, 1929)

Holotype: PMU R445

Locality: Spitsbergen, Svalbard Island, Norway.

Horizon:

Biostratigraphy:

Age: Spathian in Stage, Upper Scythian Epoch, Late Early Triassic.

Material: Fragmentary skull and fragmentary skeleton.

Note: Destroyed in Hamburg during World War II.

Referred material:

Locality: Mont Milne Edwards, Sassendalen, Spitsbergen, Svalbard Island, Norway.

Horizon:

Biostratigraphy:

Age: Spathian Stage, Upper Scythian Epoch, Middle Triassic.

Material:

SVT 201: Fragmentary skull, cervical vertebrae, humerus and coracoid.

SVT 202: Fragmentary skull.

 

Locality: Mont Ibsen, Dickson Land, Spitsbergen, Svalbard Island, Norway.

Horizon:

Biostratigraphy:

Age: Spathian Stage, Upper Scythian Epoch, Middle Triassic.

Material:

SVT 203: Fragmentary skeleton.
Note: MONTANI, 2000 does not believe that this is a Grippia.

 

MONTANI, 1997

Locality: Spitsbergen, Svalbard Island, Norway.

Horizon:

Biostratigraphy:

Age: Spathian in Stage, Upper Scythian Epoch, Late Early Triassic.

Material:

PMU R462: A natural mold of a mandibular fragment.

PMU R449, R444: Fragmentary skulls.

MONTANI, 1998

PMU R472: Fragmentary skeleton. Fins.

MONTANI, PMU R443: Fragmentary skull and fragmentary skeleton.

 

= Grippia cf. G. longirsotris BRINKMAN, ZHAO & NICHOLLS. 1992

Locality: From two localities south-east of Wapiti Lake in east-central British Columbia Province, Canada. Locality A is 54'31"35"'N, 120'44"10'"W, and Locality D is 54'31"10'"N, 120'43"19'W.

Horizon: Sulphur Mountain Formation.

Biostratigraphy:

Age: Griesbachian to Spathian in Stage, Upper Scythian Epoch, Late Early Triassic.

Material:

TMP 89.127.3: A partial skeleton of a single individual including the posterior end of both lower jaws, impression of check region of skull, and front part of postcranial skeleton, from south end of cirque designated as locality D.

TMP 89.128.5: Partial hind limb including most of tarsus, five metatarsals, basal three phalanges of digits one and two, basal two phalanges of digits three to five, and traces of soft tissue, from locality A.

TMP 86.152.12: Disarticulated remains including ribs, a single (?) dorsal centrum, and elements of the forelimb including "humerus, radius, and carpal elements, and (?) proximal tarsals, from locality A.

TMP 89.127.12: A partial skeleton of a single individual including fragments of posterior end of skull, much of the dorsal region of the presacral vertebral column with ribs of left side in articulation and ribs of right side partial disarticulated, articulated right scapula, coracoid and humerus, and scattered elements of the carpus and metacarpus, form the central portion of D cirque.