TRIASSIC FISHES FROM SPITZBERGEN 
XXV 
Fam. Saurichthyidae. 
Saurichthys ornatus n. sp. 
« wimani (A. S. Woodward) 
« hamiltoni n. sp. 
« elongaius n. sp. 
Fam. Semionotidae. 
An undefinable species. 
The species referred to are distributed in the Ice Fjord district in the following 
way in the different horizons. 
Bone-bed in the lower Triassic, Mt Congress. 
(Discovered by Salomon in 1910.) 
Hybodus sasseniensis?, Acrodus scaber, Polyacrodus angulatus, detached dermal denticles, 
detached scales of Glaucolepis gyrolepidoides, Boreosomus spp., and detached teeth of 
Birgeria mougeoti and Saurichthys spp. 
Bone-bed in the lower Triassic Mt Bertil. 1 ) 
Hybodus cfr. rapax?, Acrodus spitzbergensis (teeth most closely resembling those 
from Horn Sound), Acrodus scaber? and Saurichthys sp. (detached teeth). 
Fish horizon. 
Lyrocephalus euri, Lonchorhynchus obergi, Lonchorhynchus sp., Aphaneramma rostratum, 
Platystega depressa, Tertrema acuta , Cyclotosaurus? spitzbergensis, Peltostega erici, Palaeobates 
polaris, remains of hybodontid fin-spines, Wimania sinuosa, Wimania? sp., Wimania? multi - 
striata, Sassenia tuberculata, Sassenia guttata, Axelia robusia, Axelia elegans, Mylacanthus 
lobatus, Mylacanthus spinosus, Scleracanthus asper, Birgeria mougeoti, Glaucolepis gyro¬ 
lepidoides, Pygopterus de geeri, Boreosomus arcticus , Boreosomus reuterskioldi, Boreosomus? 
scaber, Acrorhabdus bertili, Acrorhabdus asplundi, Acrorhabdus latistriatus, Platysomus nathorsti, 
Platysomus sp., Perleidus woodwardi, Saurichthys ornatus, Saurichthys wimani, Saurichthys 
hamiltoni, Saurichthys elongatus together with a couple of forms not definable with certainty. 
Scattered occurrence of vertebrates not high - above the fish horizon. 
Detached dermal denticles, undefinable bones of Coelacanthids, Saurichthys elongatus. 
Bone-bed 33 m above the fish horizon, Mt Viking and Mt Marmier. 
Ichthyosaurians (detached bones), one vertebra of a Parasuchian, remains of a 
small undefinable Tetrapod, Hybodus rapax, Hybodus sasseniensis, Hybodus microdus, 
Acrodus spitzbergensis, Acrodus vermiformis, Palaeobates sp., dermal denticles, fin-spines 
T ) The material from this bone-bed was brought home in the autumn of 1920 by Dr. Wiren and my brother 
Kand. Pharm. A. Stensio when my description of the Selachians had already been sent to the press, and it could 
therefore not be taken into consideration. 
