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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]
| Dialipina Temporal range: | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Superclass: | Osteichthyes |
| Genus: | †Dialipina Schultze, 1968 |
| Type species | |
| †Dialipina salgueiroensis Schultze, 1968 | |
| Species | |
| |
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]
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