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A new early brachyuran (Crustacea, Decapoda) from the Middle Jurassic of northwest France, epibionts and ecological considerations Naturalis
Robin, N.; Bakel, B.W.M. van; Hondt, J.-L. d'; Charbonnier, S..
The earliest known crabs are of Early and Middle Jurassic age; in general, they are rare. Here we describe a new species of homolodromioid from the late Bathonian of Sarthe (France), based on a single dorsal carapace, Tanidromites raboeufi n. sp. This specimen has mostly well-preserved cuticle, and shows two episkeletozoans (bryozoan colonies) on its dorsal side, which is unique amongst early brachyurans (Early and Middle Jurassic). These bryozoans are identified as juvenile colonies of the morphogenus Berenicea (sheet-like tubuluporines), typical encrusters of hard substrates. Their presence directly on the carapace crab shows that they were closely cohabitating with this early brachyuran in its palaeoenvironment. One of these colonies appears to have...
Tipo: Article / Letter to the editor Palavras-chave: Bathonian; Cyclostome bryozoans; Epibiosis; Episkeletozoans; Homolodromioidea; 38.22; 42.74.
Ano: 2015 URL:
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