Researches on the Structure, Organization, and Classification of the Fossil Reptilia VII Further Observations on Pareiasaurus . of Mammalia and Ornithomorpha. The Rhynchocephalia are similarly inter-mediate between Ornithomorpha and Herpetomorpha. The Protorosauria are probablyat the divergence of the Herpetomorpha and Cordylomorpha; and the Nothosauria markthe divergence of Cordylomorpha and Amphibia. All these types have affinities withthe Chelonia. In this grouping an attempt is made to summarise the results inclassification which seem to follow from an examination of the mutual relations a
Researches on the Structure, Organization, and Classification of the Fossil Reptilia VII Further Observations on Pareiasaurus . of Mammalia and Ornithomorpha. The Rhynchocephalia are similarly inter-mediate between Ornithomorpha and Herpetomorpha. The Protorosauria are probablyat the divergence of the Herpetomorpha and Cordylomorpha; and the Nothosauria markthe divergence of Cordylomorpha and Amphibia. All these types have affinities withthe Chelonia. In this grouping an attempt is made to summarise the results inclassification which seem to follow from an examination of the mutual relations andaffinities of Pareiasaurus with South African Reptilia and other animals. I would express my thanks to Dr. H. Woodward, , for the interest takenby him in the long work of chiseling the specimen oat from the intractable matrix inthe workshops of the Geological Department of the British Museum. And I expressmy thanks to the Government Grant Committee for assistance in the explorationwhich enabled me to obtain this skeleton among other fossils iu Cape Colony. 368 PROFESSOR H. G. SEELEY ON THE STRUCTURE, ORGANIZATION,. Explanation op Plates (17-23). PLATE 17. The skeleton of Pareiasaurus Badni, one-third of the natural size, drawn from theleft side, showing the skull, vertebral column, ribs, clavicular arch andshoulder-girdle, and pelvis, but without the limbs. The limbs are drawnfrom the right side of the animal reversed, being more perfectly preservedon the right side than on the left; and they are separated from the skeletonto show the articular surfaces of the shoulder-girdle and pelvis. The rcandible is articulated to the condyles of the quadcute bone,. The inter-clavicle () remains united to the clavicles (c/.), with the precoracoid ()and coracoid (c.) towards its lateral margin. The epi-clavicle ()lies alongthe superior margin of the scapula. The scapula (s.) is supported upon longdorsal ribs, which are flattened, and ovate in section. The dermal scutes (
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Keywords: ., bookauthorseeleyh, bookcentury1800, bookdecade1890, bookyear1892
