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Heptanema

Extinct genus of fishes

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
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).^[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]

References

↑ "Fossilworks: Heptanema". fossilworks.org. Retrieved 17 December 2021.
↑ 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.
↑ 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.
↑ 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..
↑ Forey, Peter L. (1998). History of the Coelacanth Fishes. London: Chapman and Hall. p. 419. ISBN 978-0-412-78480-4.

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Actinistia (Coelacanths)

Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Sarcopterygii

Osteichthyes

see Template:Osteichthyes
Actinistia	see below↓

Actinistia

Actinistia

†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? 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 †Graulia †Loreleia
†Mawsoniidae	Alcoveria Axelrodichthys Changxingia Chinlea Diplurus Lualabaea Mawsonia Parnaibaia Rhipis
Latimeriidae	†Foreyia †Holophagus Latimeria †Libys †Macropoma †Macropomoides †Megalocoelacanthus †Rieppelia †Swenzia †Ticinepomis †Undina

Category
Commons

Taxon identifiers
Heptanema	Wikidata: Q5732053 GBIF: 4839106 IRMNG: 1322457 Open Tree of Life: 3621467 Paleobiology Database: 34927

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See also

References