Kohl Ranch: Moscovian, Arizona
collected by J. Konecny, S. Konecny

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Fusulinidae
Fusulina socorroensis
Fusulina sp. Schellwien 1898
unclassified
Wedekindellina cf. matura
Crinoidea - Dendrocrinida - Pirasocrinidae
Sciadiocrinus brewi n. sp. Webster and Lane 1970
Webster 1981
recombined as Eirmocrinus brewi
Eirmocrinus jeani n. sp. Brew and Beus 1976
synonym of Eirmocrinus brewi
Crinoidea - Dendrocrinida - Cromyocrinidae
Metacromyocrinus sp. Strimple 1961
Webster 1981
Aglaocrinus konecnyorum n. sp.
Webster 1981
Dicromyocrinus beusi n. sp.
Webster 1981
? Cromyocrinus sp. Trautschold 1867
Webster 1981
Edrioasteroidea - Isorophida - Agelacrinitidae
Agelacrinitidae indet. Clarke 1901
Webster 1981
Chondrichthyes
Amelacanthus sp. Maisey 1982
Elliott et al. 2004 4 fragments
Chondrichthyes - Hybodontiformes
Hybodontoidea indet. Agassiz 1834
Elliott et al. 2004 2 specimens
Chondrichthyes - Ctenacanthiformes - Ctenacanthidae
"Cladodus" occidentalis Leidy 1859
Elliott et al. 2004 4 specimens
recombined as Glikmanius occidentalis
Chondrichthyes - Ctenacanthiformes
Acandylacanthus sp. St. John and Worthen 1875
Elliott et al. 2004 1 specimen
Chondrichthyes - Symmoriiformes - Symmoriidae
Petrodus patelliformis McCoy 1848
Elliott et al. 2004 2 specimens
Chondrichthyes
Physonemus sp. Agassiz 1843
Elliott et al. 2004 1 fragment
Chondrichthyes - Lagarodontidae
Lagarodus angustus (Romanovsky 1864)
Elliott et al. 2004 8 specimens
Chondrichthyes - Orodontiformes - Orodontidae
Orodus sp. Agassiz 1836
Elliott et al. 2004 2 specimens
Species unclear; most closely resembles O. cinctus and O. greggi
Chondrichthyes - Cochliodontiformes - Cochliodontidae
Venustodus leidyi St. John and Worthen 1875
Elliott et al. 2004 8 specimens
Deltodus angularis Newberry and Worthen 1866
Elliott et al. 2004 18 specimens
>50 teeth and a number of fragments
Deltodus sublaevis (Agassiz 1843)
Elliott et al. 2004 2 fragments
One anterior and one posterior tooth
Chondrichthyes - Petalodontiformes - Petalodontidae
Petalodus ohioensis Safford 1853
Elliott et al. 2004 3 specimens
Gastropoda - Euomphalina - Euomphalidae
Straparollus (Amphiscapha) subrugosus (Meek and Worthen 1873)
recombined as Amphiscapha subrugosa
Gastropoda - Pseudozygopleuridae
? Pseudozygopleuridae indet. (Knight 1930)
Gastropoda - Bellerophontida - Bellerophontidae
Bellerophon (Bellerophon) crassus (Meek and Worthen 1860)
recombined as Waagenella crassus
Bivalvia - Nuculanida - Polidevciidae
Phestia sp. Chernyshev 1951
Bivalvia - Sanguinolitidae
Wilkingia terminale (Hall 1852)
Bivalvia - Cardiida - Kalenteridae
Permophorus ? subcostatus (Meek and Worthen 1866)
Bivalvia - Myalinida - Myalinidae
Myalina (Myalina) nacoensis n. sp.
Rhynchonellata - Spiriferida - Spiriferidae
Anthracospirifer occiduus (Sadlick 1960)
Rhynchonellata - Athyridida - Athyrididae
Cleiothyridina orbicularis (McChesney 1859)
Composita subtilita (Hall 1852)
Strophomenata - Productida - Productellidae
Antiquatonia sp. Miloradovich 1945
Antiquatonia portlockiana (Norwood and Pratten 1855)
recombined as Antiquatonia portlockianus
Strophomenata - Productida - Echinoconchidae
Echinaria semipunctata
Juresania nebrascensis (Owen 1852)
recombined as Parajuresania nebrascensis
Strophomenata - Productida - Linoproductidae
Linoproductus prattenianus (Norwood and Pratten 1855)
Strophomenata - Productida - Strophalosiidae
Leptalosia sp. Dunbar and Condra 1932
Strophomenata - Orthotetida - Derbyiidae
Derbyia crassa (Meek and Hayden 1858)
Scyphozoa - Conulariida - Conulariidae
Paraconularia kohli n. sp.
see common names

Geography
Country:United States State/province:Arizona County:Gila
Coordinates: 34.3° North, 111.1° West (view map)
Paleocoordinates:0.4° South, 42.5° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Carboniferous Epoch:Pennsylvanian
Stage:Moscovian 10 m.y. bin:Carboniferous 4
Key time interval:Moscovian
Age range of interval:315.20000 - 307.00000 m.y. ago
Stratigraphy
Formation:Naco
Stratigraphic resolution:group of beds
Stratigraphy comments: "Middle Pennsylvanian... Desmoinesian, and probably early Desmoinesian" based on fusulinids
from the "beta member" spanning the equivalent of "bed 18 through 23" in a nearby measured section
Lithology and environment
Primary lithology:shelly/skeletal,gray lithified muddy,calcareous siltstone
Lithology description: "richly fossiliferous sequence of ledge-forming limestones interbedded with less resistant calcareous shales and mudstones... The faunule described in this paper was collected from a light gray calcareous shaly siltstone and mudstone"
Environment:open shallow subtidal
Geology comments: "shallow water, probably no more than 15-20 m deep, that was at least occasionally turbid"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Feeding/predation traces:fractures
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collectors:J. Konecny, S. Konecny
Collection method comments: Northern Arizona University collection except for the holotype of Paraconularia kohli, which at Arizona State University
"a favorite collecting site for paleontology classes and amateur collectors for many years"
Metadata
Also known as:Tonto Creek
Database number:90772
Authorizer:J. Alroy, M. Clapham Enterer:J. Alroy, T. Wolfe
Modifier:M. Clapham Research group:marine invertebrate
Created:2009-08-16 11:26:58 Last modified:2012-08-10 21:51:06
Access level:the public Released:2009-08-16 11:26:58
Creative Commons license:CC BY
Reference information

Primary reference:
20392. D.C. Brew and S.S. Beus. 1976. A Middle Pennsylvanian fauna from the Naco Formation near Kohl Ranch, Central Arizona. Journal of Paleontology 50:888-906 [G. Webster/G. Webster]

Secondary references:

38132 D. K. Elliott, R. Irmis, M. C. Hansen and T. J. Olson. 2004. Chondrichthyans from the Pennsylvanian (Desmoinesian) Naco Formation of Central Arizona. Journal of Vertebrate Paleontology 24(2):268-280 [M. Clapham/T. Wolfe/T. Wolfe]
22994 G. D. Webster. 1981. New crinoids from the Naco Formation (Middle Pennsylvanian) of Arizona and a revision of the Family Cromyocrinidae. Journal of Paleontology 55:1176-1199 [G. Webster/G. Webster]