Mysteriomorphus

Mysteriomorphus; Temporal range: Cenomanian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Infraorder:	Elateriformia
Superfamily:	Elateroidea
Family:	† Mysteriomorphidae ; Alekseev and Ellenberger, 2019
Genus:	† Mysteriomorphus ; Alekseev and Ellenberger, 2019
Type species
	†Mysteriomorphus pelevini; Alekseev and Ellenberger, 2019
Other species
	Mysteriomorphus longelytrus(Qu, Jarzembowski and Luo, 2023)
Synonyms
	TrapeziocepsQu, Jarzembowski and Luo, 2023

Last updated January 30, 2026

Mysteriomorphus is an extinct genus of beetle, and the only member of the family Mysteriomorphidae. It is known from two described species, Mysteriomorphus pelevini and Mysteriomorphus longelytrus, found in Burmese amber dating to the early part of the Cenomanian stage of the Late Cretaceous, but more species are likely due to the morphological diversity of known specimens.^[2] It was initially placed in Elateriformia incertae sedis ,^[3] but a subsequent study found that it was better placed within the Elateroidea, close to Elateridae.^[2]

References

1 2 Kundrata, R.; Packova, G.; Li, Y.-D.; Hsiao, Y.; Jenkins Shaw, J.; Ferreira, V. S.; Bai, M.; Cai, C. (2023). "Further mysteries solved in Mysteriomorphidae (Coleoptera: Elateroidea) from mid-Cretaceous amber of northern Myanmar: discovery of female specimens, and synonymy of Trapezioceps recently described as Cantharidae". Cretaceous Research. 154 105756. doi:10.1016/j.cretres.2023.105756. S2CID 265060671.
1 2 Peris, David; Kundrata, Robin; Delclòs, Xavier; Mähler, Bastian; Ivie, Michael A.; Rust, Jes; Labandeira, Conrad C. (December 2020). "Unlocking the mystery of the mid-Cretaceous Mysteriomorphidae (Coleoptera: Elateroidea) and modalities in transiting from gymnosperms to angiosperms". Scientific Reports. 10 (1): 16854. doi:10.1038/s41598-020-73724-7. ISSN 2045-2322. PMC 7545178 . PMID 33033283.
↑ Alekseev, Vitalii I.; Ellenberger, Sieghard (2019-10-31). "A new beetle family, Mysteriomorphidae fam. nov. (Coleoptera: Elateriformia incertae sedis), from mid-Cretaceous amber of northern Myanmar" . Palaeoentomology. 2 (5): 482–490. doi:10.11646/palaeoentomology.2.5.12. ISSN 2624-2834.

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[Kundrata2024-1] 1 2 Kundrata, R.; Packova, G.; Li, Y.-D.; Hsiao, Y.; Jenkins Shaw, J.; Ferreira, V. S.; Bai, M.; Cai, C. (2023). "Further mysteries solved in Mysteriomorphidae (Coleoptera: Elateroidea) from mid-Cretaceous amber of northern Myanmar: discovery of female specimens, and synonymy of Trapezioceps recently described as Cantharidae". Cretaceous Research. 154 105756. doi:10.1016/j.cretres.2023.105756. S2CID 265060671.

[:0-2] 1 2 Peris, David; Kundrata, Robin; Delclòs, Xavier; Mähler, Bastian; Ivie, Michael A.; Rust, Jes; Labandeira, Conrad C. (December 2020). "Unlocking the mystery of the mid-Cretaceous Mysteriomorphidae (Coleoptera: Elateroidea) and modalities in transiting from gymnosperms to angiosperms". Scientific Reports. 10 (1): 16854. doi:10.1038/s41598-020-73724-7. ISSN 2045-2322. PMC 7545178 . PMID 33033283.

[3] Alekseev, Vitalii I.; Ellenberger, Sieghard (2019-10-31). "A new beetle family, Mysteriomorphidae fam. nov. (Coleoptera: Elateriformia incertae sedis), from mid-Cretaceous amber of northern Myanmar" . Palaeoentomology. 2 (5): 482–490. doi:10.11646/palaeoentomology.2.5.12. ISSN 2624-2834.

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