Retispora lepidophyta is a spore type and an important biostratigraphic marker of the latest Devonian period.[3][4][5] The last appearance of Retispora lepidophyta defines the Devonian-Mississippian boundary in Belgium and other places.
| Retispora lepidophyta | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Lycophytes |
| Class: | Lycopodiopsida |
| Order: | Selaginellales |
| Family: | incertae sedis |
| Genus: | †Retispora |
| Species: | †R. lepidophyta
|
| Binomial name | |
| †Retispora lepidophyta (Kedo) Playford
| |
| Synonyms | |
| |
Description edit
Retispora is trilete, reticulate, and has a distinctly "fried egg" appearance, as the spore is zonate, and the inner area is much darker than the outer area.[2]
References edit
- ^ Owens, B.; Streel, M. (March 1967). "Hymenozonotriletes lepidophytus Kedo, its distribution and significance in relation to the Devonian-Carboniferous boundary". Review of Palaeobotany and Palynology. 1 (1–4): 141–150. doi:10.1016/0034-6667(67)90116-9. hdl:2268/142122. ISSN 0034-6667.
- ^ a b Traverse, Alfred (1988). Paleopalynology. Unwin Hyman. ISBN 978-0045610013. OCLC 17674795.
- ^ Maziane, Nadia; Higgs, Kenneth T.; Streel, Maurice (2002-04-01). "Biometry and paleoenvironment of Retispora lepidophyta (Kedo) Playford 1976 and associated miospores in the latest Famennian nearshore marine facies, eastern Ardenne (Belgium)". Review of Palaeobotany and Palynology. 118 (1–4): 211–226. doi:10.1016/S0034-6667(01)00115-4.
- ^ "The Retispora lepidophyta morphon and its stratigraphic significance". ResearchGate. Retrieved 2019-07-22.
- ^ Wang, De-Ming; Xu, Hong-He; Xue, Jin-Zhuang; Wang, Qi; Liu, Le (June 2015). "Leaf evolution in early-diverging ferns: insights from a new fern-like plant from the Late Devonian of China". Annals of Botany. 115 (7): 1133–1148. doi:10.1093/aob/mcv049. PMC 4648459. PMID 25979918.
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