Echinoderms from the Lower Devonian (Emsian) of Bolivia (Malvinokaffric Realm)

  title={Echinoderms from the Lower Devonian (Emsian) of Bolivia (Malvinokaffric Realm)},
  author={Jeffrey R. Thompson and William I. Ausich and Legrand Smith},
  booktitle={Journal of Paleontology},
Abstract Crinoid faunas from the Lower Devonian of South America are poorly known. Two new taxa are described from the Emsian Icla Formation at Cerro Kochis in the Cochabamba Department: the rhodocrinitid, Lutocrinus boliviaensis n. gen. n. sp. and Griphocrinus pirovanoi n. sp. Two additional camerates are reported from the Emsian Belèn Formation of the Altiplano region in the La Paz Department, including Ctenocrinus branisai n. sp. and Boliviacrinus isaacsoni McIntosh, 1988. In addition, a… 
Crinoids from the Lower (Pragian–Emsian) and Middle (early Eifelian) Devonian of Bolivia (Icla and Belén formations, Malvinokaffric Realm)
Data demonstrate that the Malvinokaffric crinoid fauna in Bolivia has a mixed origin, with forms that arrived in South America from Europe and United States of America during the late Silurian or earliest Devonian, as well as a local stock, which evolved to highly endemic lineages.
The Malvinokaffric Realm in the Early-Middle Devonian of South Africa
  • C. Penn-Clarke
  • Geography, Environmental Science
    Journal of African Earth Sciences
  • 2019
Alguns Crinoides da Formação Ponta Grossa e suas afinidades paleobiogeográficas (Devoniano Inferior, Bacia do Paraná, Brasil) Some Crinoids of the Ponta Grossa Formation and paleobiogeographic affinities (Early Devonian, Parana Basin, Brazil)
The first description and illustration of the echinoderms from Ponta Grossa Formation was presented by John Mason Clarke, in the first Monograph of the Geological and Mineralogical Survey of Brazil.


Systematics and biogeography of the Metacryphaeus Group Calmoniidae (Trilobita, Devonian) with comments on adaptive radiations and the geological history of the Malvinokaffric realm
Phylogenetic parsimony analysis was used to classify the Siegenian–Eifelian “ Metacryphaeus group” of the family Calmoniidae, and evolutionary patterns in this group call into question certain notions about the nature of adaptive radiations.
A Dense Epizoobiontic Infestation of a Lower Carboniferous Crinoid (Amphoracrinus gilbertsoni (Phillips)) by Oichnus paraboloides Bromley
INTRODUCTION Small round holes, that is, the ichnogenus Oichnus Bromley 1981, are a common phenomenon in Phanerozoic shelly substrates. These ichnofossils may be either penetrative, most commonly
Tremichnus; a new ichnogenus of circular-parabolic pits in fossil echinoderms
  • C. Brett
  • Environmental Science, Geography
  • 1985
The new ichnogenus Tremichnus is proposed to include simple circular-parabolic pits, with or without associated stereom swellings, on fossil echinoderms, primarily crinoids. Tremichnus is a common
The Malvinokaffric Realm in the Devonian of Brazil
  • J. Melo
  • Geography, Environmental Science
  • 1988
Abstract Paleogeographic reconstructions are presented for the Lower and Middle Devonian of Brazil (Siegenian — Givetian), following a brief account of Brazilian Devonian stratigraphy and
Palaeoecology and systematics of Early Devonian bivalves from the Horlick Formation, Ohio Range, Antarctica
A fauna of bivalves, many of them large and thick-shelled, occurs in the 50-metre-thick, clastic, Early Devonian Horlick Formation of the Ohio Range, Antarctica. Together with the ecology of other
Talentella, a new Siluro-Devonian genus of enteletacean brachiopods
The genus Salopina Boucot ( in Boucot et al., 1960) is now widely recognized in Silurian to Middle Devonian rocks (Walmsley et al., 1969); its Ludlovian type species is S. lunata J. de C. Sowerby
Aspects of crinoid palaeontology, Much Wenlock Limestone Formation, Wenlock Edge, Shropshire (Silurian)
SUMMARY Fossil crinoids are common in the Much Wenlock Limestone Formation of the type area in Shropshire, yet remain poorly known because of their fragmentary preservation. Calceocrinid disparids
Digestive and coelomic systems of Mississippian camerate crinoids
The "convoluted organ" of Wachsmuth and Springer (1897), interpreted by them as the "stomach" in the Camerata, is interpreted here as the remains of a membrane that delimited a coiled coelomic structure that encircled the mid-gut, which separated the main aboral coelom of camerates into inner and outer "subcoeloms," the "perigastric" and "peripheral" compartments.
Evidence for a Western Extracontinental Land Source During the Devonian Period in the Central Andes
A large intracratonic sedimentary basin of mid-Paleozoic age in the central Andes apparently received sediments from a western land source. Lithofacies and isopach data show a thickening and general