Celtedens

Celtedens; Temporal range: Late Jurassic–Early Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N
	Fossil of Celtedens megacephalus
	Holotype specimen of Celtedens ibericus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	†Allocaudata
Family:	†Albanerpetontidae
Genus:	†Celtedens; McGowan and Evans, 1995
Species
	†C. megacephalus (Costa, 1864 originallyTriton megacephalus) (type); †C. ibericus McGowan and Evans, 1995;

Celtedens is an extinct genus of albanerpetontid amphibian from the Early Cretaceous of England, Spain, Sweden and Italy, and the Late Jurassic of Portugal.^[1]^[2]

Taxonomy

†Celtedens ibericus McGowan and Evans 1995 La Huérguina Formation, Spain, Barremian
†Celtedens megacephalus Costa 1864 Lulworth Formation, United Kingdom, Berriasian Pietraroja Plattenkalk, Italy, Albian
Indeterminate remains attributed to the genus are also known from the Late Jurassic Alcobaça Formation and Lourinhã Formation of Portugal,^[3] as well as the earliest Cretaceous (Berriasian) of Sweden.^[4]

Phylogeny

From Daza et al. 2020.^[5]

Anoualerpeton

Celtedens

Uña taxon

Wesserpeton

Albanerpeton arthridion

Albanerpeton gracilis + Albanerpeton galaktion

Albanerpeton cifellii

Yaksha

Shirerpeton

Albanerpeton nexuosum

Albanerpeton pannonicum

	Paskapoo sp

	Albanerpeton inexpectatum

References

^ Gardner, J.D.; Evans, S.E.; Sigogneau-Russel, D. (2003). "New albanerpetontid amphibians from the Early Cretaceous of Morocco and Middle Jurassic of England" (PDF). Acta Palaeontologica Polonica. 48 (2): 301–319.
^ Pereira, T., Mateus O., & Moreno-Azanza M. (2018). Fossil amphibians from Portugal. 1st Palaeontological Virtual Congress. online. https://docentes.fct.unl.pt/omateus/files/pereira_et_al_2018_amphibians_portugal.pdf
^ Guillaume, Alexandre R. D.; Natário, Carlos; Mateus, Octávio; Moreno-Azanza, Miguel (2023-04-03). "Plasticity in the morphology of the fused frontals of Albanerpetontidae (Lissamphibia; Allocaudata)". Historical Biology. 35 (4): 537–554. doi:10.1080/08912963.2022.2054712. ISSN 0891-2963.
^ Rees, Jan; Evans, Susan E. (2002-06-01). "Amphibian remains from the Lower Cretaceous of Sweden: the first Scandinavian record of the enigmatic group Albanerpetontidae". GFF. 124 (2): 87–91. doi:10.1080/11035890201242087. ISSN 1103-5897.
^ Daza, Juan D.; Stanley, Edward L.; Bolet, Arnau; Bauer, Aaron M.; Arias, J. Salvador; Čerňanský, Andrej; Bevitt, Joseph J.; Wagner, Philipp; Evans, Susan E. (2020-11-06). "Enigmatic amphibians in mid-Cretaceous amber were chameleon-like ballistic feeders". Science. 370 (6517): 687–691. Bibcode:2020Sci...370..687D. doi:10.1126/science.abb6005. ISSN 0036-8075. PMID 33154135. S2CID 226254862.

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[GESR03-1] Gardner, J.D.; Evans, S.E.; Sigogneau-Russel, D. (2003). "New albanerpetontid amphibians from the Early Cretaceous of Morocco and Middle Jurassic of England" (PDF). Acta Palaeontologica Polonica. 48 (2): 301–319.

[2] Pereira, T., Mateus O., & Moreno-Azanza M. (2018). Fossil amphibians from Portugal. 1st Palaeontological Virtual Congress. online. https://docentes.fct.unl.pt/omateus/files/pereira_et_al_2018_amphibians_portugal.pdf

[3] Guillaume, Alexandre R. D.; Natário, Carlos; Mateus, Octávio; Moreno-Azanza, Miguel (2023-04-03). "Plasticity in the morphology of the fused frontals of Albanerpetontidae (Lissamphibia; Allocaudata)". Historical Biology. 35 (4): 537–554. doi:10.1080/08912963.2022.2054712. ISSN 0891-2963.

[4] Rees, Jan; Evans, Susan E. (2002-06-01). "Amphibian remains from the Lower Cretaceous of Sweden: the first Scandinavian record of the enigmatic group Albanerpetontidae". GFF. 124 (2): 87–91. doi:10.1080/11035890201242087. ISSN 1103-5897.

[:1-5] Daza, Juan D.; Stanley, Edward L.; Bolet, Arnau; Bauer, Aaron M.; Arias, J. Salvador; Čerňanský, Andrej; Bevitt, Joseph J.; Wagner, Philipp; Evans, Susan E. (2020-11-06). "Enigmatic amphibians in mid-Cretaceous amber were chameleon-like ballistic feeders". Science. 370 (6517): 687–691. Bibcode:2020Sci...370..687D. doi:10.1126/science.abb6005. ISSN 0036-8075. PMID 33154135. S2CID 226254862.

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Celtedens Temporal range: Late Jurassic–Early Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N

Fossil of Celtedens megacephalus

Holotype specimen of Celtedens ibericus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	†Allocaudata
Family:	†Albanerpetontidae
Genus:	†Celtedens McGowan and Evans, 1995
Species
†C. megacephalus (Costa, 1864 originallyTriton megacephalus) (type) †C. ibericus McGowan and Evans, 1995