Dialipina
| Dialipina Temporal range:
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Superclass: | Osteichthyes |
| Genus: | †Dialipina Schultze, 1968 |
| Type species | |
| †Dialipina salgueiroensis Schultze, 1968
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| Species | |
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Dialipina is an extinct genus of prehistoric marine bony fish from the Early Devonian.[1][2] It contains two species, both known from the high Arctic of Asia and North America. It was initially thought to be and sometimes still is treated as an early, basal actinopterygian[3][4][5], but recent phylogenetic analyses suggest that it may instead be a stem-osteichthyan.[6][7]
The following species are known:[1]
- †D. markae Schultze, 1992 - Lochkovian of Kotelny Island, Russia
- †D. salgueiroensis Schultze, 1968 (type species) - Emsian of the Northwest Territories, Canada (Bear Rock Formation)
The early Devonian stem-gnathostome Janusiscus was described from remains from the Siberian mainland that were previously attributed to D. markae.[7]
See also
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References
[edit]- ^ a b "PBDB Taxon". paleobiodb.org. Retrieved 2024-08-14.
- ^ Zhao, Wen-Jin; Zhu, Min (1 March 2010). "Siluro-Devonian vertebrate biostratigraphy and biogeography of China". Palaeoworld. 19 (1): 4–26. doi:10.1016/j.palwor.2009.11.007. ISSN 1871-174X.
- ^ Ahlberg, Per Erik, ed. (2001-02-15). Major Events in Early Vertebrate Evolution. CRC Press. ISBN 978-1-134-56886-4.
- ^ Zhu, Min; Yu, Xiaobo; Wang, Wei; Zhao, Wenjin; Jia, Liantao (2006). "A primitive fish provides key characters bearing on deep osteichthyan phylogeny". Nature. 441 (7089): 77–80. doi:10.1038/nature04563. ISSN 1476-4687.
- ^ Schultze, Hans-Peter; Cumbaa, Stephen L. (2017). "A new Early Devonian (Emsian) arthrodire from the Northwest Territories, Canada, and its significance for paleogeographic reconstruction". Canadian Journal of Earth Sciences. 54 (5): 461–476. doi:10.1139/cjes-2017-0013. hdl:1807/76893. ISSN 0008-4077.
- ^ Friedman, Matt (January 2007). "Styloichthys as the oldest coelacanth: Implications for early osteichthyan interrelationships". Journal of Systematic Palaeontology. 5 (3): 289–343. doi:10.1017/S1477201907002052.
- ^ a b Giles, Sam; Friedman, Matt; Brazeau, Martin D. (2 April 2015). "Osteichthyan-like cranial conditions in an Early Devonian stem gnathostome". Nature. 520 (7545): 82–85. doi:10.1038/nature14065. PMC 5536226.
External links
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