Caytonanthus

Caytonanthus; Temporal range: Jurassic PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	†Pteridospermatophyta
Order:	†Caytoniales
Family:	†Caytoniaceae
Genus:	†Caytonanthus; Harris, 1937
Species
	†Caytonanthus arberi Thomas 1925 ;
Synonyms
	†Antholithus Thomas, 1925 ;

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. 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.

References

↑ Caytonanthus in the Paleobiology Database
↑ Caytonanthus T.M. Harris, 1937 †. Retrieved through: Interim Register of Marine and Nonmarine Genera on 19 March 2026.
1 2 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. Bibcode:2019JSPal..17.1477E. doi:10.1080/14772019.2018.1535456. eISSN 1478-0941. hdl:11336/117441. ISSN 1477-2019. S2CID 92287804.

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[PBDB-1] Caytonanthus in the Paleobiology Database

[IRMNG-2] Caytonanthus T.M. Harris, 1937 †. Retrieved through: Interim Register of Marine and Nonmarine Genera on 19 March 2026.

[Elgorriaga2019-3] 1 2 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. Bibcode:2019JSPal..17.1477E. doi:10.1080/14772019.2018.1535456. eISSN 1478-0941. hdl:11336/117441. ISSN 1477-2019. S2CID 92287804.