Hemisaurida

Hemisaurida; Temporal range: Cenomanian PreꞒ Ꞓ O S D C P T J K Pg N
	Specimen of H. hakelensis, Malmerendi Museum of Natural Science
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Aulopiformes
Suborder:	†Enchodontoidei
Genus:	†Hemisaurida; Kner, 1867
Species
	H. hakelensis Goody, 1969; H. neocomiensis Kner, 1867;

Hemisaurida^[1] is an extinct genus of prehistoric marine aulopiform ray-finned fish, known from Late Cretaceous fossils found in Europe and the Middle East.^[2]

The following species are known:^[2]^[3]

H. hakelensis Goody, 1969 - Cenomanian of Lebanon (Sannine Formation)
H. neocomiensis Kner, 1867 (type species) - Cenomanian of Slovenia (Komen Limestone)^[4]

Previously placed in the family Halecidae^[5], more recent studies have found it to likely not belong to that family, and it may occupy a more basal position within the Enchodontoidei.^[2]^[6]

References

↑ "PBDB Taxon". paleobiodb.org. Archived from the original on 2025-08-13. Retrieved 2026-05-25.
1 2 3 Silva, Hilda M. A.; Gallo, Valéria (2011). "Taxonomic review and phylogenetic analysis of Enchodontoidei (Teleostei: Aulopiformes)". Anais da Academia Brasileira de Ciências. 83: 483–511. doi:10.1590/S0001-37652011000200010. ISSN 0001-3765.
↑ Amalfitano, Jacopo; Giusberti, Luca; Fornaciari, Eliana; Carnevale, Giorgio (2020-04-03). "UPPER CENOMANIAN FISHES FROM THE BONARELLI LEVEL (OAE2) OF NORTHEASTERN ITALY". Rivista Italiana di Paleontologia e Stratigrafia. 126 (2). doi:10.13130/2039-4942/13224. ISSN 2039-4942.
↑ "New palaeoenvironmental model for the Komen (Slovenia) Cenomanian (Upper Cretaceous) fossil lagerstätte". Cretaceous Research. 29 (2): 316–328. 2008-04-01. doi:10.1016/j.cretres.2007.05.003. ISSN 0195-6671.
↑ Davis, Matthew P.; Fielitz, Christopher (2010-12-01). "Estimating divergence times of lizardfishes and their allies (Euteleostei: Aulopiformes) and the timing of deep-sea adaptations". Molecular Phylogenetics and Evolution. 57 (3): 1194–1208. doi:10.1016/j.ympev.2010.09.003. ISSN 1055-7903.
↑ Vernygora, Oksana; Murray, Alison M.; Luque, Javier; Ruge, Mary Luz Parra; Fonseca, María Euridice Paramo (2018-09-26). "A new Cretaceous dercetid fish (Neoteleostei: Aulopiformes) from the Turonian of Colombia". Journal of Systematic Palaeontology. 16 (12): 1057–1071. doi:10.1080/14772019.2017.1391884. ISSN 1477-2019.

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[1] "PBDB Taxon". paleobiodb.org. Archived from the original on 2025-08-13. Retrieved 2026-05-25.

[:0-2] 1 2 3 Silva, Hilda M. A.; Gallo, Valéria (2011). "Taxonomic review and phylogenetic analysis of Enchodontoidei (Teleostei: Aulopiformes)". Anais da Academia Brasileira de Ciências. 83: 483–511. doi:10.1590/S0001-37652011000200010. ISSN 0001-3765.

[3] Amalfitano, Jacopo; Giusberti, Luca; Fornaciari, Eliana; Carnevale, Giorgio (2020-04-03). "UPPER CENOMANIAN FISHES FROM THE BONARELLI LEVEL (OAE2) OF NORTHEASTERN ITALY". Rivista Italiana di Paleontologia e Stratigrafia. 126 (2). doi:10.13130/2039-4942/13224. ISSN 2039-4942.

[4] "New palaeoenvironmental model for the Komen (Slovenia) Cenomanian (Upper Cretaceous) fossil lagerstätte". Cretaceous Research. 29 (2): 316–328. 2008-04-01. doi:10.1016/j.cretres.2007.05.003. ISSN 0195-6671.

[5] Davis, Matthew P.; Fielitz, Christopher (2010-12-01). "Estimating divergence times of lizardfishes and their allies (Euteleostei: Aulopiformes) and the timing of deep-sea adaptations". Molecular Phylogenetics and Evolution. 57 (3): 1194–1208. doi:10.1016/j.ympev.2010.09.003. ISSN 1055-7903.

[6] Vernygora, Oksana; Murray, Alison M.; Luque, Javier; Ruge, Mary Luz Parra; Fonseca, María Euridice Paramo (2018-09-26). "A new Cretaceous dercetid fish (Neoteleostei: Aulopiformes) from the Turonian of Colombia". Journal of Systematic Palaeontology. 16 (12): 1057–1071. doi:10.1080/14772019.2017.1391884. ISSN 1477-2019.

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References