Middle Proterozoic (1.5 Ga) Horodyskia moniliformis Yochelson and Fedonkin, the oldest known tissue-grade colonial eucaryote.
Contributors: Yochelson, E.L.
Series: Smithsonian contributions to paleobiology 94
Publisher: Smithsonian Institution Press
Place of publication: Washington
Language: eng
Number of pages: 29
Subjects: Paleontology - Proterozoic; Fossils - Montana
Notes: 11