Mazon Creek Fossil Fauna
Polychaetes
Bristle Worms
Rhaphidiophorus hystrix - Thompson, 1979
Oliver Hardy Worm
Rhaphidiophorus hystrix, D.Douglass collection
Rhaphidiophorus hystrix, Milwaukee Public Museum P359759.2
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J.Wittry collection
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Esconites zelus - Thompson and Johnson, 1977
Named for the Earth Science Club of Northern Illinois (ESCONI).
Esconites zelus, Milwaukee Public Museum collection P26287.1
Esconites zelus Pit 11, Braidwood, IL - K.Robitschek collection
S.Galloway collection
Esconites zelus, Braceville, IL - A.Young collection
R.Rock collection
Mazopherusa prinosi - Hay, 2002
Fan Worm
Mazopherusa prinosi, Braceville, IL - M.Vonhof collection (photos by M.Vonhof)
Above and below left: several specimens of Mazopherusa prinosi, Braceville, IL - A.Young collection
Mazopherusa prinosi colony, showing fan elements and body ornamentation, Braceville, IL - S.Galloway collection
R.Rock collection
Didontogaster cordylina - Thompson, 1979
Tummy Tooth Worm
Didontogaster cordylina, Milwaukee Public Museum collection, P28709.1 and P28709.2 (positive and negative halves)
Didontogaster cordylina, showing jaws in the everted, feeding position - J.Wittry collection,
Figure 22.1 The Mazon Creek Fossil Fauna 2012 (positve and negative halves)
Figure 22.1 The Mazon Creek Fossil Fauna 2012 (positve and negative halves)
Three specimens of Didontogaster cordylina, Pit 11, Braidwood, IL - A.Young collection
Didontogaster cordylina, Pit 11, Braidwood, IL - A.Young collection (positive and negative halves)
Didontogaster cordylina, Milwaukee Public Museum collection, P25912.1 and P25912.2 (positive and negative halves)
Levisettius campylonectus - Thompson, 1979
Riccardo Worm
Astreptoscolex anasillosus - Thompson, 1979
Plain Worm
Astreptoscolex anasillosus, Milwaukee Public Museum collection P26060.1
Astreptoscolex anasillosus, Braceville, IL - A.Young collection
Rutellifrons wolfforum - Thompson, 1979
Shovel Nose Worm
Rutellifrons wolfforum, Milwaukee Public Museum collection P359821.2
Pit 11, Braidwood, IL - A.Young collection
Pieckonia helenae - Thompson, 1979
Fish Worm
Piekonia helenae - R.Rock collection (positive and negative halves)
Fossundecima konecniorum - Thompson, 1979
Simple Jaw Worm
Three specimens of Fossundecima konecniorum, Pit 11, Braidwood, IL - A.Young collection
Right: Figure 28.4 The Mazon Creek Fossil Fauna 2012.
Right: Figure 28.4 The Mazon Creek Fossil Fauna 2012.
Above and below: several specimens of Fossundecima konecniorum, Pit 11, Braidwood, IL - A.Young collection
Above left: Figure 28.2 and above middle: Figure 169.2 The Mazon Creek Fossil Fauna 2012.
Above left: Figure 28.2 and above middle: Figure 169.2 The Mazon Creek Fossil Fauna 2012.
Above and below: Fossundecima konecniorum, detail below showing jaws, Pit 11, Braidwood, IL - P.Anderson collection
Dryptoscolex matthiesae - Thompson, 1979
Rat Worm
Drytoscolex matthiesae, Milwaukee Public Museum collection P359876.1 and P25900.1
J.Wittry collection
Dryptoscolex matthiesae, an exceptionally large specimen - J.Wittry collection, Figure 29.3 The Mazon Creek Fossil Fauna 2012.
Hystriciola delicatula - Thompson, 1979
Baby Tooth Worm
Hystriciola delicatula, Milwaukee Public Museum collection P25954.1 and P350766.1
Undescribed Genus and Species
Fastuoscolex gemmatus - Thompson, 1979
Papillae Worm
Palaeocampa anthrax - Meek and Worthen, 1865
Fire Worm
Palaeocampa anthrax, Mazon River, Morris, IL - R.Holm collection (photo by R.Holm)