The worm Palaeoscolex from the Cambrian of NW Argentina: extending the biogeography of Cambrian priapulids to South America |
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| Authors: | Diego C. García-Bellido Guillermo F. Aceñolaza |
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| Affiliation: | 1. Departamento de Paleontología, Instituto de Geología Económica (CSIC-UCM) , Facultad de Ciencias Geológicas , José Antonio Nováis 2, 28040, Madrid, Spain diego.gbc@geo.ucm.es;3. Instituto Superior de Correlación Geológica (CONICET-UNT) , Facultad de Ciencias Naturales e IML , Miguel Lillo 205, 4000, Tucumán, Argentina |
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| Abstract: | Over one hundred years of palaeontological research in northwestern Argentina has provided extensive knowledge of Andean lower Palaeozoic fossil assemblages, with trilobites, graptolites, brachiopods and echinoderms being among the most prominent groups. This record is enriched by the recent discovery of soft-bodied worms in Cambrian outcrops of northwestern Argentina. Palaeoscolex sp. cf. P. ratcliffei from the Furongian Lampazar Formation in Jujuy is described, considerably expanding the biogeographical range of this genus and filling the distributional gap, between the well-known early–middle Cambrian occurrences of Palaeoscolex and those of its Ordovician species. |
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| Keywords: | soft-bodied biota priapulids Palaeoscolecida Furongian Argentina |
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