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Article: Tertiary Neotropical Hersiliidae (Arthropoda, Araneae) with new combinations for the extant fauna and comments on historical biogeography of the family

Publication: Palaeontology
Volume: 49
Part: 4
Publication Date: July 2006
Page(s): 899 906
Author(s): David Penney
Addition Information

How to Cite

PENNEY, D. 2006. Tertiary Neotropical Hersiliidae (Arthropoda, Araneae) with new combinations for the extant fauna and comments on historical biogeography of the family. Palaeontology49, 4, 899–906.

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Abstract

The Neotropical fossil amber Hersiliidae are revised. Prototama Petrunkevitch is a senior synonym of both Priscotama Petrunkevitch and Neotama Baehr and Baehr. Fictotama Petrunkevitch and Perturbator Petrunkevitch are removed from synonymy and are considered nomina dubia because the fossils are poorly preserved. The following new combinations are established for the fossil fauna: Prototama antiqua (Petrunkevitch), P. maior (Wunderlich), P. media (Wunderlich), and P. minor (Wunderlich), and for the extant fauna: P. cunhabebe (Rheims and Brescovit), P. forcipata (F. O. P.-Cambridge), P. longimana (Baehr and Baehr), P. mexicana (O. P.-Cambridge), P. obatala (Rheims and Brescovit), P. punctigera (Baehr and Baehr), P. rothorum (Baehr and Baehr) and P. variata (Pocock) (all ex Neotama). It is predicted that at least one undiscovered, extant Prototama species exists on Hispaniola. Hersiliidae have a diverse fossil record. The presence of Oecobiidae, the sister taxon of the Hersiliidae, in New Jersey and Lebanese ambers predicts a minimum geological age of Early Cretaceous for the family. Fossils are of paramount importance in studies of historical biogeography but were not considered in earlier hypotheses regarding the palaeogeographical origins of the family. Previous conclusions that Hersiliidae originated in Africa are here considered to be speculative and unsupported.
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