Discover Fossil Sea Urchins

Some Cretaceous and Tertiary echinoids from Cuba

The echinoidea in the McKinnon Wood Collection

Some late Cenozoic Echinoidea from Cabo Blanco, Venezuela

The star-crossed stone

New American Paleozoic echinoids

New sand dollars (Echinoidea) of the genera Merriamaster and Dendraster from Purisima Formation, California

Some new forms of West Coast fossil Echinoidea

The echinoid fauna from Japan and adjacent regions

New echinoids from the Ripley group of Mississippi

Tertiary and Upper Cretaceous fauna of western India

Fossil echinoids from the Marshall Islands

Phylogeny of the Echini

Tertiary echinoids of the Carrizo Creek region in the Colorado Desert

Cretaceous and Cenozoic echinoidea of the Pacific Coast of North America

Phylogeny of the Echini

A rare Cretaceous sea urchin, Scutellaster cretaceus Cragin

Equinóides miocênicos da formação Pirabas

Cenozoic echinoids of Eastern United States

Index of living and fossil echinoids 1924-1970

The distribution of the Neocene sea-urchins of middle California and its bearing on the classification of the Neocene formations

Tertiary echinoids from the San Pablo group of middle California

Echinoids from the Triassic (St. Cassian) of Italy, their lantern supports, and a revised phylogeny of Triassic echinoids

Echinoidea from the Persian gulf

Fossil Echini of the Panama Canal Zone and Costa Rica