Tomognathus

Tomognathus was a halecomorph fish related to the modern bowfin that lived in the Cretaceous Period. It was named by Dixon in 1850.

The name Tomognathus was also later applied to a modern species of ant by Mayr in 1861. But since the name was already taken it came instead to be classified as Harpagoxenus.

References

• Cavin, Lionel; Giner, Stephen (2012). "A large halecomorph fish (Actinopterygii: Holostei) from the Valanginian (Early Cretaceous) of southeast France". Cretaceous Research. 37: 201–208. Bibcode:2012CrRes..37..201C. doi:10.1016/j.cretres.2012.03.020.
• Forey, Peter L.; Patterson, Colin (2006). "Description and systematic relationships of †Tomognathus, an enigmatic fish from the English chalk". Journal of Systematic Palaeontology. 4 (2): 157–184. doi:10.1017/S1477201905001719. S2CID 86028273.

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Halecomorphi

Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Subclass: Neopterygii Infraclass: Holostei
Actinopterygii see Actinopterygii Neopterygii see Neopterygii Halecomorphi see below↓ Halecomorphi

Halecomorphi	†Angolaichthys? †Cipactlichthys †Peia? †Promecosomina? †Prosantichthys †Parasemionotidae Albertonia Broughia Candelarialepis Devillersia Icarealcyon Jacobulus Jurongia Lehmanotus Lombardina? Ospia Parasemionotus Piveteaunotus Qingshania Stensionotus Suius Thomasinotus Watsonulus †Ionoscopiformes Ainia Allolepidotus? Altmuehlfuro Archaeosemionotus Asialepidotus? Brachyichthys Cerinichthys Elongofuro Eoeugnathus? Furo Gymnoichthys? Heterolepidotus Holzmadenfuro Italophiopsis Ohmdenfuro Oligopleurus? Ophiopsis Panxianichthys? Robustichthys? Sanctusichthys Schernfeldfuro Sinoeugnathus? Subortichthys Xingyia? Zandtfuro Ionoscopidae Ionoscopus Oshunia Quetzalichthys Spathiurus Ophiopsiellidae Congophiopsis Macrepistius Ophiopsiella Petalopteryx Placidichthys Teoichthys Amiiformes †Caturoidea Eurypoma Liodesmus Strobilodus Caturidae Amblysemius Caturus Catutoichthys Amioidea †Tomognathus †Sinamiidae Ikechaoamia Siamamia Sinamia Amiidae Amia †Amiopsis †Calamopleurus †Cratoamia †Cyclurus †Hispanamia †Maliamia †Melvius †Nipponamia †Pachyamia †Pseudamiatus †Solnhofenamia †Vidalamia

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