Barosaurus lentus, Marsh OC, 1890

Marsh, O. C., 1890, Description of new dinosaurian reptiles, American Journal of Science 39 (229), pp. 81-87 : 85-86

publication ID

https://doi.org/ 10.5281/zenodo.3375239

publication LSID

lsid:zoobank.org:pub:2B442B66-390A-4217-A502-276BD9BEDB55

DOI

https://doi.org/10.5281/zenodo.5204464

persistent identifier

https://treatment.plazi.org/id/D72B145D-2C19-4541-9314-F95AF1A6FA77

taxon LSID

lsid:zoobank.org:act:D72B145D-2C19-4541-9314-F95AF1A6FA77

treatment provided by

Jeremy

scientific name

Barosaurus lentus
status

gen. et sp. nov.

Barosaurus lentus , gen. et sp. nov.

A new genus of the Sauropoda , is indicated by various remains of a very large reptile secured by the writer during the past season. The most characteristic portions examined are the caudal vertebrae, which in general form resemble those of Diplodocus . They are concave below, as in the caudals of that genus, but the sides of the centra are also deeply excavated.

In the anterior caudals, this excavation extends nearly or quite through the centra, a thin septum usually remaining. In the median caudals, a deep cavity on each side exists, as shown in figures 1 and 2, on page 86.

On the distal caudals, the lateral cavity has nearly or quite disappeared. All the caudal vertebrae are proportionally shorter than in Diplodocus , and their chevrons have no anterior projection, as in that genus.

The remains on which the present description is based are from the Atlantosaurus beds of Dakota, about two hundred miles further north than this well-marked horizon has hitherto been recognized.

Kingdom

Animalia

Phylum

Chordata

Class

Reptilia

Order

Dinosauria

Family

Diplodocidae

Genus

Barosaurus

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