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Heptanema Temporal range: Ladinian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Fossil of Heptanema paradoxum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Sarcopterygii
Genus:	†Heptanema Rüppell in Bellotti, 1857
Type species
†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).

The type and only species is Heptanema paradoxa. Woodward (1891) suggested that Coelacanthus minor could be a species of Heptanema.

See also

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

References

1. "Fossilworks: Heptanema". fossilworks.org. Retrieved 17 December 2021.
2. Renesto, Silvio; Stockar, Rudolf (2018). "First record of a coelacanth fish from the Middle Triassic Meride limestone of Monte San Giorgio (Canton Ticino, Switzerland)". Rivista Italiana di Paleontologia e Stratigrafia. 124 (3). doi:10.13130/2039-4942/10771. ISSN 2039-4942.
3. Bellotti, Cristoforo (1857). "Descrizione di alcune nuove specie di pesci fossili di Perledo e di altre località Lombarde.". In Stoppani A. (ed.). Studii Geologici e Paleontologici sulla Lombardia (in Italian). Milano: Carlo Turati Tipografo Editore. pp. 419–438.
4. Woodward, Arthur S. (1891). Catalogue of the Fossil Fishes in the British Museum (Natural History). Part II. London: British Museum (Natural History). Department of Geology. doi:10.5962/bhl.title.61854..
5. Forey, Peter L. (1998). History of the Coelacanth Fishes. London: Chapman and Hall. p. 419. ISBN 978-0-412-78480-4.

v t e 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 †Ngamugawi †Rebellatrix †Scleracanthus †Shoshonia †Styloichthys? †Youngichthys †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 †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 Graulia Lualabaea Mawsonia Parnaibaia Rhipis Latimeriidae †Foreyia †Holophagus Latimeria †Libys †Macropoma †Macropomoides †Megalocoelacanthus †Rieppelia †Swenzia †Ticinepomis †Undina

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• Prehistoric lobe-finned fish genera
• Middle Triassic life
• Ladinian life
• Triassic Italy
• Triassic Switzerland
• Fossils of Italy
• Fossils of Switzerland
• Prehistoric lobe-finned fish stubs
• Triassic fish stubs