DOLLO, BELGIAN FOSSIL VERTEBRATES 
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type of the species is a mandible with long flat symphysis in adaptation 
to shell-crushing habits; preserved in the Brussels Museum. 
Unpublished. 
6. Tomochelone lonzeensis Dollo, 1909. 
Chelonian. Type of the genus Tomochelone Dollo, 1909. The 
type of the species is a mandible with short symphysis and cutting 
border in adaptation to soft food; preserved in the Brussels Museum. 
Unpublished. 
7. Plesiosaurian bones. 
Limb bones and vertebrae, characteristic but not yet determinable even 
generically. 
L. Dollo, Bull. Soc. belg. Geol., 1904, xviii, 215. 
F. Reptiles of the Upper Senonian of Belgium. 
Horizon. Brown phosphatic chalk forming the top of the Senonian. 
Localities. Baudour, Ciply, Cuesmes, Mesvin, Saint-Symphorien, Spiennes 
etc., communes of Hainault, in the neighborhood of Mons. 
1. Mosasaurus lemonnieri Dollo, 1889. 
Mosasaurian. The type of the species is a skull preserved in the 
Brussels Museum. 
Bull. Soc. belg. Geol., 1889, iii, 278. 
2 Plioplatecarpus houzeaui Dollo, 1889. 
Mosasaurian. The type of the species is an incomplete skeleton 
preserved in the Brussels Museum. 
Bull. Soc. belg. Geol., 1889, iii, 290. 
3. Llainosaurus bernardi Dollo, 1885. 
Mosasaurian. Type of the genus Llainosaurus Dollo, 1885. The 
type of the species is a nearly complete skeleton preserved in the 
Brussels Museum. 
Bull. Mus. roy. Hist. nat. Belg., 1885, iv, 31. 
4. Prognathosaurus solvayi Dollo, 1889. 
Mosasaurian. Type of the genus Prognathosaurus Dollo, 1889. 
The type of the species is an incomplete skeleton preserved in the 
Brussels Museum. 
5. Prognathosaurus giganteus Dollo, 1904. 
Mosasaurian. The type of the species is an incomplete skeleton 
preserved in the Brussels Museum. 
Bull. Soc. belg. Geol., 1904, xviii, 213 
