Culullitheca

Culullitheca; Temporal range: Early Devonian PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Superdivision:	Polysporangiomorpha
Division:	incertae sedis
Form taxon:	†Cooksonioidea
Genus:	†Culullitheca; Wellman et al. 1998

Culullitheca was a genus of land plant with branching axes.^[1] It is known from charcoalified Early Devonian deposits, its type locality being the Brown Clee Hill lagerstätten.^[2] Its spores formed permanent dyads.^[3]

References

↑ Boyce, C.K. (2008). "How green was Cooksonia? The importance of size in understanding the early evolution of physiology in the vascular plant lineage". Paleobiology. 34: 179. doi:10.1666/0094-8373(2008)034[0179:HGWCTI]2.0.CO;2. ISSN 0094-8373.
↑ Glasspool, I.; Edwards, D.; Axe, L. (2006). "Charcoal in the Early Devonian: A wildfire-derived Konservat–Lagerstätte". Review of Palaeobotany and Palynology. 142: 131. doi:10.1016/j.revpalbo.2006.03.021.
↑ Wellman, C. H.; Edwards, D.; Axe, L. (1998). "Permanent dyads in sporangia and spore masses from the Lower Devonian of the Welsh Borderland". Botanical Journal of the Linnean Society. 127 (2): 117–147. doi:10.1111/j.1095-8339.1998.tb02092.x.

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[Boyce2008-1] Boyce, C.K. (2008). "How green was Cooksonia? The importance of size in understanding the early evolution of physiology in the vascular plant lineage". Paleobiology. 34: 179. doi:10.1666/0094-8373(2008)034[0179:HGWCTI]2.0.CO;2. ISSN 0094-8373.

[Glasspool2006-2] Glasspool, I.; Edwards, D.; Axe, L. (2006). "Charcoal in the Early Devonian: A wildfire-derived Konservat–Lagerstätte". Review of Palaeobotany and Palynology. 142: 131. doi:10.1016/j.revpalbo.2006.03.021.

[Wellman1998-3] Wellman, C. H.; Edwards, D.; Axe, L. (1998). "Permanent dyads in sporangia and spore masses from the Lower Devonian of the Welsh Borderland". Botanical Journal of the Linnean Society. 127 (2): 117–147. doi:10.1111/j.1095-8339.1998.tb02092.x.