期刊
ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
卷 -, 期 -, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/zoolinnean/zlad118
关键词
Campodeidae; Cenozoic; computed tomography; edaphic organisms; fossil record; palaeoecology
类别
This article documents five rare fossil specimens of diplurans in amber from the Miocene and Eocene periods, providing unique details for taxonomic placement and shedding light on their evolution and ecology.
Diplura are an ancient group of basal (apterygote) hexapods that thrive in various cryptic terrestrial habitats. Despite an ancient origin that extends at least to the Devonian period, the dipluran fossil record is exceedingly sparse. Here, we document five very rare fossil specimens of the family Campodeidae in amber from the Miocene of the Dominican Republic and the Eocene of the Baltic region. Microscopic preservation in amber provides unique detail for taxonomic placement of small, delicate, soil- and leaf litter-dwelling organisms like these. New taxa include the following: in Lepidocampinae, Lepidocampa glaesi sp. nov. (in Dominican amber); and in Campodeinae, Litocampa eobaltica sp. nov. (in Baltic amber) and Rostricampa engeli gen. et sp. nov. (in Dominican amber). Rostricampa has an extraordinary rostrum formed by sclerotized extensions of the clypeus and, probably, the labium, unique among diplurans. These new taxa provide rare additional data on the fossil record of the earliest diverging lineages of the hexapods and shed light on their evolution and ecology.
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