Caytonanthus
| Caytonanthus | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | †Pteridospermatophyta |
| Order: | †Caytoniales |
| Genus: | †Caytonanthus Harris 1937 |
| Species | |
| |
Caytonanthus is an extinct genus of seed ferns.
Description
Caytonanthus is the polliniferous organ-genus of the Caytoniales, and it is often found along Sagenopteris and Caytonia. Caytonanthus remains have been found in Greenland, UK, Hungary Russia, Poland, India, Antarctica and Argentina.[1] Caytonanthus has simple or multiple orders of branches arrayed along axes, each terminal branch bears one or many synangia, each composed by four, partially fused, pollen sacs.[1]
References
- Elgorriaga, A.; Escapa, I. H.; Cúneo, R. (2019). "Southern Hemisphere Caytoniales: vegetative and reproductive remains from the Lonco Trapial Formation (Lower Jurassic), Patagonia". Journal of Systematic Palaeontology. 17 (17): 1257–1275. doi:10.1080/14772019.2018.1535456. S2CID 92287804.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.