The Taxonomicon
Entity by Scientific Name
Entity by Epithet
Entity by Identifier
Entity by Common Name
Taxon by Scientific Name (above family group)
Taxon by Scientific Name (family group)
Taxon by Scientific Name (genus group)
Taxon by Scientific Name (species group)
Taxon by Scientific Name (below species group)
Taxon by Authorship
Object by Name
Object by Number
Phenomenon by Name
Homonym
Topic
Person by Last Name
Organization by Name
Reference by Year
Reference by Title
Home
Site map
|
Contact
Person: O.P. Hay
Taxa
Browse Tree
Advanced Search
Details
O.P. Hay (Oliver Perry)
Multi-volume works
Hay, O.P., 1929-1930.
Second Bibliography and Catalogue of the Fossil Vertebrata of North America
.
Carnegie Inst. Wash. Publ.
(No. 390).
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025