ANDREW YOUNG ART
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Mazon Creek Fossil Fauna

Arthropods 


Spiders and Spider-like Arachnids

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Paratarbus carbonarius - Petrunkevitch, 1945

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                                                                  Paratarbus carbonarius, Field Museum collection
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                                                                                     Field Museum collection

Phalangiotarbus lacoei - Scudder, 1890

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                                  Phalangiotarbus lacoei - R.Rock Collection, Figure 44.2 The Mazon Creek Fossil Fauna 2012
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                                       Above and below: Phalangiotarbus lacoei, Pit 3, Wilmington, IL - D.Pond collection
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                                        Above and below: Phalangiotarbus lacoei, Pit 2, Wilmington, IL - A.Young collection
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                                                                 R.Rock collection
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                                                                    J.Wittry collection

Architarbus rotundatus - Scudder, 1868

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          Architarbus rotundatus, Lauer Foundation collection
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           Architarbus rotundatus, Field Museum collection
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                 Above and right: Architarbus rotundatus, with detail                        showing curved carapace, Mazon River, Morris, IL -                        P.Anderson collection
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                              Architarbus rotundatus, Mazon River, Morris, IL - P.Anderson collection (photo by P.Anderson)

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                                Above: Architarbus rotundatus, showing details, Mazon River, Morris, IL - P.Anderson collection

Hadrachne horrobilis


Geralinura carbonaria - Scudder, 1884

Whip Scorpion
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                                                 Geralinura carbonaria, Mazon River, Morris, IL - K.Robitschek collection
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                                                              Geralinura carbonaria (positive and negative halves)

Graephonus carbonarius - Scudder, 1876

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                                    Graeophonus carbonarius, Pit 3, Wilmington, IL - R.Holm collection (photos by R.Holm)
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Amarixys (Curculiodes) sulcata - Melander, 1903

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                                                     Above and below: Amarixys (Curculiodes) sulcata - R.Rock collection
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                                                                                                                                                              R.Rock collection
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                                                            Amarixys (Curculiodes) sulcata - Field Museum collection
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                                            Amarixys (Curculiodes) sulcata, Mazon River, Morris, IL - D.Douglass collection

Polichera glabra - Petrunkevitch, 1913


Arthrolycosa antigua - Harger, 1874

True Spider
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                              Arthrolycosa antigua, a true spider having spinnerets for producing silk - D.Douglass collection

Anthracomartus trilobitus - Scudder, 1884

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             Above and below: Anthracomartus trilobitus, showing abdomen geometry, Pit 3, Wilmington, IL - A.Young collection
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      Below: full concretion showing peculiar shape and almost septarian-like splitting. It opened upon washing after collection.
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Pleophrynus ensifer - Petrunkevitch, 1945


Nemastomoides longipes - Petrunkevitch, 1913

Daddy Longlegs

 Unnamed Anthracomartid

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                                           Unnamed anthracomartid abdomen, Pit 11, Braidwood, IL - A.Young collection

Douglassarachne acanthopoda - Selden and Dunlop, 2024

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  Above and below: Douglassarachne acanthopoda, Pit 15, Essex, IL - Field Museum and the David and Sandra Douglass Collection.
   A new species of spiny arachnid (2024), its exact placement in an arachnid Order is uncertain. One half of the fossil concretion       is on view at the Douglass Collection Prehistoric Life Museum in Evanston, Illinois.
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                 Douglassarachne acanthopoda (photo by P.Selden)
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Return to Mazon Creek Fossil Fauna - Index
Copyright © 2020 Andrew Young. All rights reserved.
  • News
  • Work
    • mixed media/collage
    • recent sculpture
    • watercolor/drawing
    • works on metal and wood
    • egg tempera on panel
    • edition prints/monotypes
    • early work
    • photography
    • exhibition views
    • selected collections
  • Bio
    • narrative bio
    • resume
    • artist statements
    • process
    • scrapbook
  • Press
    • catalog essays
    • reviews
    • interviews
  • Projects
    • selected projects
    • project images
    • mazon creek fossils
    • herrin fossil flora
    • douglass collection
    • publications and figures
    • lauer foundation
  • Contact
    • contact the artist
    • catalogs for sale
    • available artworks