Biology:Jaekelocarpus
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Jaekelocarpus is a genus of mitrate stylophoran known from the Morrowan age of the Golf Course Formation, southern Oklahoma, US.[1] It possessed two billaterally symmetrical complexes of four internal bars. The morphological similarity of these structures to the gill bars of cephalochordates and enteropneusts is considered a likely indicator of their homology.[2][3]
References
- ↑ Kolata, Dennis R.; Frest, Terrence J.; Mapes, Royal H. (September 1991). "The youngest carpoid: occurrence, affinities, and life mode of a Pennsylvanian (Morrowan) mitrate from Oklahoma" (in en). Journal of Paleontology 65 (5): 844–855. doi:10.1017/S0022336000037811. ISSN 0022-3360. Bibcode: 1991JPal...65..844K. https://www.cambridge.org/core/product/identifier/S0022336000037811/type/journal_article.
- ↑ Dominguez, Patrício; Jacobson, Antone G.; Jefferies, Richard P. S. (2002-06-20). "Paired gill slits in a fossil with a calcite skeleton" (in en). Nature 417 (6891): 841–844. doi:10.1038/nature00805. ISSN 1476-4687. PMID 12075349. Bibcode: 2002Natur.417..841D. https://www.nature.com/articles/nature00805.
- ↑ Álvarez-Armada, Nidia; Cameron, Christopher B.; Bauer, Jennifer E.; Rahman, Imran A. (2022-05-11). "Heterochrony and parallel evolution of echinoderm, hemichordate and cephalochordate internal bars" (in en). Proceedings of the Royal Society B: Biological Sciences 289 (1974). doi:10.1098/rspb.2022.0258. ISSN 0962-8452. PMID 35538784.
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