Kingdom Animalia Class Sauropsida Order Sauropterygia | Phylum Chordata Subclass Enaliosauria Genus Pachycostasaurus | |
Pachycostasaurus is an extinct genus of plesiosaur.
References
Pachycostasaurus Wikipedia(Text) CC BY-SA
Kingdom Animalia Class Sauropsida Order Sauropterygia | Phylum Chordata Subclass Enaliosauria Genus Pachycostasaurus | |
Pachycostasaurus is an extinct genus of plesiosaur.