Cosmopolitan arthropod zooplankton in the Ordovician seas

Vannier, Jean-Claude; Rachebœuf, Patrick R.; Brussa, Edsel D.; Williams, Mark; Rushton, A. W. A.; Servais, Thomas; Siveter, David J.

doi:10.1016/s0031-0182(03)00307-9

Cited by 37 publications

(46 citation statements)

References 46 publications

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“…In this way the reconstruction of the complete exoskeleton is somewhat different (Fig. 3) from that proposed earlier (Vannier et al 2003, fig. 2A, B, p. 176).…”

Section: Taxonomically Significant Characters In Caryocarididsmentioning

confidence: 66%

“…According to the literature, Ordovician representatives of the Subclass Phyllocarida mainly belong to the Family Caryocarididae and are, as a whole, considered to have been cosmopolitan members of the active epipelagic zooplankton (Vannier et al 2003). Caryocaridid phyllocarids are mostly found associated with graptolites, in the graptolitic shale facies communities of the pelagic realm and the open-shelf environment, the Benthic Assemblage 6 of Boucot's (1975) classification.…”

Section: Environmental Setting and Preservationmentioning

confidence: 99%

“…Caryocaridid phyllocarids are mostly found associated with graptolites, in the graptolitic shale facies communities of the pelagic realm and the open-shelf environment, the Benthic Assemblage 6 of Boucot's (1975) classification. They were probably active swimmers (Vannier et al 1997) living near the mesopelagic-epipelagic boundaries (Vannier et al 2003), or in the uppermost part of the water column, in the upper photic zone, most probably associated with carpets of floating algal thalli (Chlupáč 2003).…”

Section: Environmental Setting and Preservationmentioning

confidence: 99%

“…The discovery of almost three-dimensionally, well preserved, caryocaridid specimens in early diagenetic concretions and lenses of southern Bolivia (Chapiuno section, north-west of Tarija), completes our knowledge of exoskeleton morphology. A doublure was previously known to strengthen the ventral margin of the carapace (Vannier et al 1997(Vannier et al , 2003; the preservation of the newly collected Bolivian specimens allows study of the precise development of the doublure, especially in the posterior part of the carapace.…”

Section: Taxonomically Significant Characters In Caryocarididsmentioning

confidence: 99%

“…was listed from Arenigian levels of the southwestern Llanos of Colombia (Trumpy 1943(Trumpy , p. 1289Turner 1960;Harrington & Kay 1951, p. 656). Two recent overviews of Ordovician phyllocarids, partly dealing with South America faunas, have been recently published by Vannier et al (2003) and Racheboeuf (2004). All known citations of South American Ordovician phyllocarids drawn from the literature are listed in Table 1 below. swell-wave generated ripple cross-lamination.…”

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confidence: 99%

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South American Ordovician phyllocarids (Crustacea, Malacostraca)

2009

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A detailed morphological analysis of exoskeleton remains of the South American Ordovician phyllocarid crustaceans leads to the recognition of a previously unexpected biodiversity from the Tremadocian up to the Katian. As a result, the genus Caryocaris, as up to now understood, clearly appears to be a comprehensive genus. Taxonomically significant characters are listed and discussed. Two new caryocaridid genera are described: Janviericaris gen. nov., and Ivocaris gen. nov. The diagnosis of the Family Caryocarididae is emended accordingly. In addition to the previous description of Caryocaris acuta Bulman, 1931 from Peru, C. bodenbenderi Aceñolaza & Esteban, 1996 and C. delicata Racheboeuf, Vannier & Ortega, 2000 from Argentina, seven phyllocarid species belonging to five genera are identified from the Tremadocian up to the Sandbian of Argentina and Bolivia. New caryocaridid representatives are Caryocaris acoitensis sp. nov., Ivocaris saltitensis sp. nov., Janviericaris formosa sp. nov. and J. jujuyensis sp. nov.; three other Sandbian and lower Katian forms are provisionally left in open nomenclature as Caryocaris sp. A to C. Ceratiocaridids are represented by the Upper Ordovician genus Pumilocaris Racheboeuf, Vannier & Ortega, 2000, with Pumilocaris granulosa Racheboeuf, Vannier & Ortega, 2000 and Pumilocaris acuta (Bulman, 1931). The familial assignment of the late Tremadocian-Floian genus Rolfecaris gen. nov., represented by Rolfecaris lethiersi sp. nov. and R. parchaensis sp. nov., to the Family Ceratiocarididae still remains uncertain. Caryocaridid phyllocarids have been revealed to be a significantly potential tool for both Ordovician biostratigraphy and palaeobiogeography

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“…In this way the reconstruction of the complete exoskeleton is somewhat different (Fig. 3) from that proposed earlier (Vannier et al 2003, fig. 2A, B, p. 176).…”

Section: Taxonomically Significant Characters In Caryocarididsmentioning

confidence: 66%

Section: Environmental Setting and Preservationmentioning

confidence: 99%