Heptanema

Heptanema Temporal range: Ladinian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Fossil of Heptanema paradoxum
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Sarcopterygii
Genus:	†Heptanema Rüppell in Bellotti, 1857
Binomial name
†Heptanema paradoxa Rüppell in Bellotti, 1857

Heptanema is an extinct genus of prehistoric coelacanth from the Middle Triassic (Ladinian) of northern Italy and southern Switzerland (Monte San Giorgio).^[1][2]

The type and only species is Heptanema paradoxa. Woodward (1891) suggested that Coelacanthus minor could be a species of Heptanema.^[3][4][5]

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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