| 词条 | Bolivosteus |
| 释义 |
|name = Bolivosteus |image = Bolivosteus chacomensis reconstruction.jpg |image_caption = Artist's reconstruction |fossil_range =Eifelian |regnum = Animalia |phylum = Chordata |classis = Placodermi |ordo = Rhenanida |familia = Asterosteidae |genus = Bolivosteus |species = B. chacomensis |binomial = Bolivosteus chacomensis |binomial_authority = Goujet, Janvier & Suarez-Riglos, 1986 }} Bolivosteus chacomensis is a rhenanid placoderm from the Eifelian of Bolivia, and is the only placoderm known from the “Malvinokaffric” invertebrate faunas. The Malvinokaffric faunas represent a series of cold-water ecosystems near or at the South Pole during the Middle Devonian, and apparently lacked the presence of ammonoids, bryozoa, or colonial corals.[1] B. chacomensis is known from skull fragments and scales. References{{portal|Paleontology|Fish|Devonian|Prehistory of South America}}1. ^{{cite conference|last=Janvier|first=Phillipe|title=THE DEVONIAN VERTEBRATES OF SOUTH AMERICA: MALVINOKAFFRIC FISHES AND GONDWANA-EURAMERICA FAUNAL INTERCHANGE|conference=4th European Meeting of the Palaeontology and Stratigraphy of Latin America. Cuadernos del Museo Geominero|year=2007|volume=8|pages=223–227|url=http://www.igme.es/4empsla/libro/40.pdf|access-date=2013-04-17|archive-url=https://web.archive.org/web/20120905200340/http://www.igme.es/4empsla/libro/40.pdf#|archive-date=2012-09-05|dead-url=yes|df=}} {{Taxonbar|from=Q16844154}}{{placoderm-stub}} 6 : Rhenanida|Placoderm genera|Placoderms of South America|Devonian Bolivia|Fossils of Bolivia|Fossil taxa described in 1986 |
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