Definition of Petalonamids. Meaning of Petalonamids. Synonyms of Petalonamids

- The petalonamids (Petalonamae) are an extinct group of archaic animals typical of the Ediacaran biota, also called frondomorphs, dating from approximately...
- Arborea is a genus of petalonamid that was originally considered as being synonymous with Charniodiscus. It consisted of a frond-like body 3–4 inches...
- The largest prehistoric animals include both vertebrate and invertebrate species. Many of them are described below, along with their typical range of size...
- form taxa are thought to represent Charnia, Charniodiscus and other Petalonamids at varying levels of decay; these include the Ivesheadiomorphs Ivesheadia...
- Bomakellia is an extinct petalonamid from the Late Ediacaran. It is estimated to have lived some 555 million years ago, and has only been found in the...
- Medusoids, although recent research suggests that they were holdfasts of Petalonamids. A cast of Charnia, the first accepted complex Precambrian organism....
- paleoenviroment, which was home to various sessile forms, most predominantly, the petalonamids like Fractofusus and Frondophyllas. Earth sciences portal Canada portal...
- a long, tubular-shaped body and a attachment disk similar to that of Petalonamids. The Vaveliksia genus contained two species, Vaveliksia velikanovi (which...
- petaloids (structures which make up the signature leaf-like shape of petalonamids) being much smaller than those seen in Pteridinium and Rangea. Nasepia...
- 1998. Gehlingia has been described as having many characteristics of petalonamids, although it has been classified as a rather close relative of the Tribrachidium...