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A case of mite-on-mammal ectoparasitism from Eocene Baltic amber (Acari: Prostigmata: Myobiidae and Mammalia: Erinaceomorpha)

Published on Feb 16, 2019in Journal of Systematic Palaeontology2.31
· DOI :10.1080/14772019.2017.1414889
Ekaterina A. Sidorchuk9
Estimated H-index: 9
(RAS: Russian Academy of Sciences),
Andre V. Bochkov14
Estimated H-index: 14
+ 1 AuthorsO. F. Chernova5
Estimated H-index: 5
(RAS: Russian Academy of Sciences)
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Abstract
Tetrapods are rarely recovered from fossil resins, such as amber, and fossils of parasites are even rarer. We describe the first pre-Quaternary co-occurrence of ectoparasitic mites with hairs of their mammalian hosts, preserved in life-like detail from a piece of Eocene (∼ 40 Ma) Baltic amber. The mites, representing the oldest fossils of the family Myobiidae (Acari: Prostigmata: Eleutherengona), are described as Protohylomysobia erinaceophilus Sidorchuk & Bochkov gen. et sp. nov. and belong to the generic group Amorphacarus. Recent members of this group parasitize small-sized insectivores – shrews, moles and gymnures (Mammalia: Eulipotyphla: Soricidae, Talpidae and Erinaceidae: Galericinae). The fossils indicate that the evolution of Myobiidae and their relationships with mammals were well underway by the Eocene. The hairs of the hosts are also described, and are morphologically compared with those of Recent mammals. This comparison suggests an early-derivative member from an array of mammalian groups, a...
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  • Citations (2)
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References69
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#1Lida Xing (China University of Geosciences)H-Index: 18
#2Ryan C. McKellar (University of Regina)H-Index: 5
Last.Alexander P. Wolfe (U of A: University of Alberta)H-Index: 47
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#1Lida Xing (China University of Geosciences)H-Index: 18
#2Ryan C. McKellar (University of Regina)H-Index: 5
Last.MartinGLockley (University of Colorado Denver)H-Index: 38
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#1O. F. Chernova (RAS: Russian Academy of Sciences)H-Index: 5
#2D. D. Vasyukov (RAS: Russian Academy of Sciences)H-Index: 1
Last.Arkady B. Savinetsky (RAS: Russian Academy of Sciences)H-Index: 5
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#1Juan D. Daza (SHSU: Sam Houston State University)H-Index: 14
#2Edward L. Stanley (Florida Museum of Natural History)H-Index: 9
Last.David A. Grimaldi (AMNH: American Museum of Natural History)H-Index: 40
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