Sassenia

Sassenia Temporal range: Induan-early Olenekian[1] PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Sarcopterygii
Class:	Actinistia
Order:	Coelacanthiformes
Family:	†Rhabdodermatidae
Genus:	†Sassenia Stensiö, 1921
Type species
†Sassenia tuberculata Stensiö, 1921
Other species
†S.? guttata (Woodward, 1912) †S. groenlandica Forey, 1998

Sassenia is an extinct genus of prehistoric coelacanth lobe-finned fish that lived during the Early Triassic epoch in what is now East Greenland and Svalbard.^[2][1]

The type species, Sassenia tuberculata, was first described from Sassendalen (Sassen Valley), Sabine Land, on the island of Spitsbergen, Svalbard, from where the genus name is also derived. Fossils of S. tuberculata and a possible second species, S.? guttata (described originally as Coelacanthus guttatus by Arthur Smith Woodward), were both collected from the Vikinghøgda Formation and are Smithian (early Olenekian) in age. Another species, S. groenlandica, was later discovered in Griesbachian (early Induan) aged layers of the Wordie Creek Formation in Greenland.^[3][1][4]

See also

• Sarcopterygii
• List of sarcopterygians
• List of prehistoric bony fish

References

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Actinistia

Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Sarcopterygii
Gnathostomata see Gnathostomata Actinistia see below↓ Actinistia

Actinistia sensu lato	†Styloichthys? †"Onychodontiformes" Bukkanodus Grossius Luckeus Onychodus Qingmenodus Selenodus Strunius Actinistia sensu stricto †Eoactinistia †Euporosteus †Hainbergia †Nesides †Scleracanthus †Shoshonia †Styloichthys? †Youngichthys †Youngolepis? †Miguashaiidae Gavinia Miguashaia †Diplocercidae Chagrinia Dictyonosteus Diplocercides Serenichthys †Hadronectoridae Allenypterus Hadronector Holopterygius Lochmocercus Polyosteorhynchus †Rhabdodermatidae Caridosuctor Coelacanthopsis? Dumfregia Rhabdoderma Sassenia Spermatodus Synaptotylus †Laugiidae Belemnocerca Coccoderma Laugia Trachymetopon Coelacanthiformes †Coelacanthopsis? †Dobrogeria †Heptanema †Luopingcoelacanthus †Rebellatrix †Sinocoelacanthus †Yunnancoelacanthus †Coelacanthidae Axelia Chaohuichthys Coelacanthus Graphiuricthys Indocoelacanthus Moenkopia Mylacanthus Quayia Wimania †Whiteiidae Atacamaia Guizhoucoelacanthus Piveteauia Whiteia Latimerioidei †Garnbergia †Mawsoniidae Alcoveria Axelrodichthys Changxingia Chinlea Diplurus Lualabaea Mawsonia Parnaibaia Rhipis Latimeriidae †Foreyia †Holophagus Latimeria †Libys †Macropoma †Macropomoides †Megalocoelacanthus †Rieppelia †Swenzia †Ticinepomis †Undina

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