Caytonanthus
Caytonanthus Temporal range:
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Division: | †Pteridospermatophyta |
Order: | †Caytoniales |
Genus: | †Caytonanthus Harris 1937 |
Species | |
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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[]
- ^ a b 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.
Categories:
- Pteridospermatophyta
- Triassic plants
- Jurassic plants
- Cretaceous plants
- Prehistoric plant genera
- Triassic first appearances
- Cretaceous extinctions
- Fern stubs