Definition of Umkomasia. Meaning of Umkomasia. Synonyms of Umkomasia

- Umkomasia is a genus of seed bearing organs produced by corystosperm seed ferns, first based on fossils collected by Hamshaw Thomas from the Burnera Waterfall...
- Umkomasia feistmantelii is an unusually large species of Umkomasia from the Early Tri****ic of New South Wales, Australia. Umkomasia feistmantelii is found...
- structures of Umkomasia macleanii differ from other species of Umkomasia in small size, and limited geographic distribution. Umkomasia macleanii may have...
- are typified by a group of plants that bore forked Dicroidium leaves, Umkomasia cu****te ovulate structures and Pteruchus pollen organs, which grew as...
- The ovulate reproductive structures are usually ****igned to the genus Umkomasia, while the pollen-producing organs are ****igned to the genus Pteruchus...
- fern Dicroidium with a forked rachis. The leaves are affiliated with Umkomasia feistmantellii megasporophylls and Petruchus barrealensis microsporophylls...
- Dicroidium odontopteroides may have been produced by the same plant as Umkomasia macleanii (ovulate structures) and Pteruchus afric**** (pollen organs)...
- locality of South Africa. It is ****ociated with the seed bearing organs Umkomasia and Dicroidium leaves. The pollen organ Pteruchus differs from other seed...
- Early Tri****ic of Australia may have been produced by the same plant as Umkomasia feistmantelii (ovulate organs) and Dicroidium zuberi (leaves) Retallack...
- Provincial Park (San Juan Province) Frond fragments A possible petriellalean Umkomasia U. macleanii Strobili (seed cones) An umkomasialean (or corystosperm)...