MAPS (Mid America Paleontology Society), Sponsor of National Fossil Exposition

MAPS Expo Digests

Expo Digests since 2009 which are no longer in print are now available as free PDF files. Clickable links for Expo Digests 2009-2013 PDFs are below.
Paper copies of Expo Digests from 2014-17 are still available for purchase to the general public. To purchase hard copies of any Digests, please send a list of which ones you would like, and a check for $7.50 per copy to:

Jim Preslicka
1439 Plum Street
Iowa City, IA
  • 2017 - The Silurian, 126 Pages Paper copies are available, at $7.50 each.

    A Brief Introduction to the Silurian Period - John A Catalani
    The Thornton Silurian Reef - Thomas Williams
    A New Trilobite from the Bob? - Rick Poropat and John Stade
    Silurian Trilobites from Southern Illinois and Missouri - Gerald Kloc
    The Trilobites of Caleb Quarry - Michael Lask
    On the Trail of the Elusive Eurypterids - James G Cox, PHD
    Macrofossils of the Silurian Massie (Osgood) Shale of Southeast Indiana - Don Bissett
    Eucalyptocrinites -- Silurian Crinoid from the Waldron - Thomas Williams
    The Silurian Blastoid Genus Troosticrinus - Alex Fabian
    Silurian Crinoids of Anticosti Island, Quebec - David Clark
    Fossil Echinoderms of the Middle Silurian in North America: An Age of Crinoids and 'Anachronistic' Faunas - Carlton E Brett and James Thomka

  • 2016 - The Mesozoic, 74 Pages Paper copies are available, at $7.50 each.

    A Century and a Half of Dinosaur Discoveries in Alberta - Philip J Currie
    Hadrosaur Footprint Recovered from the Hell Creek Formation in Montana - Rick Poropat and Carl Campbell
    Rise and Fall of Reef Forming Rudist Clams - Thomas C Williams
    Mesozoic Ammonoids: The Beginning and the End - John A Catalani
    Uintacrinus: Floater or Bottom Dweller - Thomas C Williams
    The Mesozoic of Iowa - Robert Charles Wolf
    Implications of the Cretaceous-Paleogene Boundary in Southeastern Missouri - Rick Poropat

  • 2015 - The Cenozoic, 74 Pages Paper copies are available, at $7.50 each.

    The Fossil Fish of Green River - Lance Grande
    Little Fossil Fish All Look the Same, or How to Successfully Identify Green River Herrings - Ted Hermann
    Articulate Crinoids of the Cenozoic - Thomas Williams
    Cenozoic Nautiloids - John A Catalani
    The McAbee Fossil Beds Heritage Site - Rick Poropat
    Florida's Plio-Pleistocene and the Caloosahatchee Formation of South Florida - Irene Broede
    Detailed Stratigraphy of a Classic Plio-Pleistocene Marine Expoasure in Sarasota, Florida - Robert C Frey

  • 2014 - The Mississippian, 102 Pages Paper copies are available, at $7.50 each.

    Introduction to the Mississippian of North America - Chris Cozart
    Faunal Turnover During the Age of Crinoids - Forest J Gahn
    Phanocrinus Specimen - Thomas Williams
    Zeacrinites - Thomas Williams
    Blastoids of the Osagean Burlington Limestone and Closely Allied Formations - Alex Fabian
    Floraville: A Classic Mississippian Locality - Rick Poropat
    The Mississippian Fort Payne Formation - John A Catalani
    Xenacanthimorph Teeth from the Haney Limestone (Mississippian, Chesterian) of Southern Illinois - David Carlson
    Fossils of the Des Moines River in Humboldt, Iowa - Merla Ayres
    The Land That Fossils Built - Clay Chesney

  • 2013 - The Devonian (10.5MB PDF File) A Brief Introduction to the Devonian Period - John A Catalani
    Amonoids from the Devonian of Iowa - James E Preslicka, Charles R Newsom, & Thomas E Blume
    Fossil Lagerstatten of New York, II. The Cephalopods of the Cherry Valley Limestone - Thomas E Whiteley and Gerald J Kloc
    On the Trail of Devonian Goniatite Cephalopods in New York State - William Kirchgasser
    Heliophyllum, New York's Classic Devonian Coral - James E Sorauf and William A Oliver, Jr.
    Calcocrinoids of the Devonian and Early Mississippian - Thomas Williams
    Interaction among Devonain Sea Life Preserved in the Jeffersonville and Sellersburg Limestone, Clark County, Indiana and Jefferson and Oldham Counties, Kentucky - Alan Goldstein
    Long Before Cayuga's Waters: The Spectacular Devonian Geology and Paleontology of the Ithaca, New York Region - Stephanie Sang, Warren D Allmon, and Carlton E Brett
    Devonian Outliers of the Ozarks of Missouri - Bruce L Stinchcomb
    The Mercellus Shale: Why Devonian Geology Matters Today - Kelly E Cronin

  • 2012 - The Pennsylvanian (13.1MB PDF File) Introduction to the Pennsylvanian of North America - Chris Cozart
    Paleontology of a Late Pennsylvanian Quarry: Part 1 - Stratigraphy - David Carlson
    Paleontology of a Late Pennsylvanian Quarry: Part 2 - Gastropods - David Carlson
    Pennsylvanian Nautiloids of the Midcontinent - John A Catalani
    Pennsylvanian Crinoids of Illinois - Thomas Williams
    Notable Pennsylvanian Localities and Paleobiotas in Knox and Peoria Counties, Illinois - Merrill W Foster
    Pennsylvanian Fossils from McCoy, Colorado - Dennis Gertenbach and Steven Reinhold
    Additions to the Pennsylvanian Fossils of North Texas at Lake Bridgeport - John McLeod and Mark McKinzie
    A Window into a Catastophic Coal Age Flood Event: The Mazonian Fossil Bonanza - Charles Shabica and Gordon C Baird
    The Concretion Conundrum: Current Research at Mazon Creek - David Dolak and Victoria McCoy
    The Monster from Illinois - John A Catalani
    Horseshoe Crabs and their Relatives in the Pennsylvanian of the Midcontinent - Scott McKenzie
    An Early Pennsylvanian Mystery - Robert Charles Wolf

  • 2011 - The Cretaceous (8.0MB PDF File) A Stratigraphic reappraisal of the Cretaceous Exposure at Black Powder Hollow, Alexander Co, Illinois - David Carlson
    The Ardeola, Missouri Cretacous locality - Bruce L Stinchcomb
    Uintacrinus, Floater or Bottom Dweller - Thomas C Williams
    Nautiloids v Ammonoids: Winners and Losers - John A Catalani
    Mesozoic coleoids: Fossil squids and cuttlefish - Scott McKenzie
    Turtles of the Cretaceous Period - David A Hutchison
    Mosasaurs of the Pierre Seaway - Thomas C Williams
    Dragons of Kansas: the Mosasaurs of the Smoky Hill Chalk - Michael T Payne
    Giant Cretaceous Pterosaurs in the Air and on the Ground - John A Catalani
    Fifteen Years of Observations of an Archaeologist in the Hell Creek - Steven Nicklas
    A Dinosaur Tail - Rob Sula
    The Nightmare Before the Cenozoic - Scott McKenzie

  • 2010 - The Ordovician (8.2MB PDF File) The Ordovician - An Introduction - John A. Catalani
    Size Does Matter - The Giant Nautiloids of the Arctic Ordovician Fauna - Robert C. Frey
    Late Ordovician Trilobites from the Upper Mississippian Valley - Robert E. Sloan
    Research in the Cincinnatian Series (Upper Ordovician) Through Space and Time - Katherine V. Bulinski
    The Platteville Molluscan Fauna - John A. Catalani
    Always Serious About Cephalopods - James E. Preslicka
    Receptaculids the Forgotten Reef Builder - Thomas C. Williams
    Fossils of the Van Buren Formation and the Cambrian - Ordovician Boundary of Missouri - Bruce L. Stinchcomb
    Ordovician Trilobite with Possible Calcified Muscles - Scott McKenzie

  • 2009 - Crinoids (4.1MB PDF File) Introduction to Crinoids - Chris Cozart
    These are Not the Crinoids Your Daddy Knew - William I. Ausich
    150 Years of Collecting Crinoids at the University of Iowa Paleontology Repository - Tiffany Adrain
    A Crinoid Bank in the Mississippian of Eastern North America - Tom Williams
    Cambrian Crinoids - Bruce Stinchcomb
    Crinoid Collecting in the Burlington Limestone - Forest J Gahn