A previously undescribed fossil specimen of deep water crab belonging to the family Homolidae de Haan, 1839 was discovered in the collection of the Museo Paleontológica de Bariloche of Río Negro Province, Argentina. The specimen is exceptional because one of the extra-lineal flanks is present. These lateral portions of the carapace are often absent in homolid crab specimens, due to disarticulation of the carapace along the lineae homolicae (Glaessner, 1969). The specimen was collected from the (middle?) Oligocene Río Foyel Formation (Casadío et al., 2004), which crops out south of the town of San Carlos de...
A New Species of Fossil Homolid Crab (Decapoda: Brachyura) from the Río Foyel Formation (Paleogene), Río Negro Province, Argentina
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Robert S. Crawford; A New Species of Fossil Homolid Crab (Decapoda: Brachyura) from the Río Foyel Formation (Paleogene), Río Negro Province, Argentina. Journal of Paleontology 2008;; 82 (4): 835–841. doi: https://doi.org/10.1666/06-111.1
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