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Temporal range: Lutetian 44–44 Ma
Eogeometer valdens holotype 01.jpg
holotype in amber
Scientific classification edit
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Geometridae
Genus: Eogeometer
Fischer, Michalski, & Hausmann, 2019
E. vadens
Binomial name
Eogeometer vadens
Fischer, Michalski, & Hausmann, 2019

Eogeometer is a prehistoric genus of Ennomine geometer moths in the tribe Boarmiini.[1] The type and only species is Eogeometer vadens, the specimen of which measured about 5 mm (0.20 in), and was estimated to be 44 million years old, dating back to Eocene epoch. Both the genus and species were described by Thilo C. Fischer, Artur Michalski and Axel Hausmann in 2019 as the first geometrid caterpillar in Baltic amber.[1][2][3]


  1. ^ a b Fischer, Thilo C.; Michalski, Artur; Hausmann, Axel (2019). "Geometrid caterpillar in Eocene Baltic amber (Lepidoptera, Geometridae)". Scientific Reports. 9: Article number 17201. doi:10.1038/s41598-019-53734-w. PMID 31748672.
  2. ^ Muller, Natalie (20 November 2019). "German scientists find 44-million-year-old caterpillar". DW. Retrieved 23 November 2019.
  3. ^ Georgiou, Aristos (21 November 2019). "Scientists discover 'exceptional' 44-million-year-old caterpillar preserved in amber". Newsweek. Retrieved 24 November 2019.