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[B&L] spinning with the dinosaurs--upper Cretaceous spiders in amber

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  • Pat N self only
    Spinning with the dinosaurs—spiders in Upper Cretaceous amber from New Jersey (Arthropoda: Araneae) David Penney, 2001. Abstracts. XV International Congress
    Message 1 of 1 , Mar 19, 2004
      Spinning with the dinosaurs���spiders in Upper Cretaceous amber from New
      Jersey (Arthropoda: Araneae) David Penney, 2001. Abstracts. XV
      International Congress of Arachnology, South Africa, 127.ABSTRACT
      The oldest described fossils of the extant spider families Segestriidae,
      Oonopidae, Oecobiidae, Dictynidae and Linyphiidae, previously known from
      the Tertiary, are presented from Upper Cretaceous amber of New Jersey.
      The third and oldest known specimen of the fossil spider family
      Lagonomegopidae is also described and provides further palaeontological
      evidence of a common Laurasian fauna. The extant genera Segestria and
      Oecobius are taken back a further 52 and 69���74 my respectively in the
      fossil record. These fossils predict the presence of the Caponiidae,
      Tetrablemmidae, Orsolobidae, Dysderidae, Hersiliidae, Eresidae, Pimoidae,
      Scytodoidea s.l., cyatholipoids, theridioids and symphytognathoids in the
      Cretaceous. The fossils extend the known geological range of extant
      spider families through andbeyond the end-Cretaceous extinction.

      STEPHAN PICKERING / Chofetz Chayim ben-Avraham
      The Dinosaur Fractals Project
      2333 Portola Drive # 4
      Santa Cruz, California 95062-4250 USA
      stephanpickering@...
      website: http://groups.yahoo.com/group/paleo_bio_dinosaur_ontology
      theropod research summarized: <www.dinodata.net> see under PICKERING at
      their Reference Base

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