Kohl Ranch (Carboniferous of the United States)

Also known as Tonto Creek

Where: Gila County, Arizona (34.3° N, 111.1° W)

• Paleocoordinates: 1.6° S, 43.4° W (Wright 2013)

• coordinate stated in text

• small collection-level geographic resolution

When: Naco Formation, Moscovian (315.2 - 307.0 Ma)

• "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

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, shelly/skeletal, gray, muddy, calcareous siltstone

• "shallow water, probably no more than 15-20 m deep, that was at least occasionally turbid"
• "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"

Size class: macrofossils

Collected by J. Konecny, S. Konecny

• 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"

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90772: authorized by John Alroy, entered by John Alroy on 16.08.2009, edited by Trisha Wolfe

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Scyphozoa
 Conulariida - Conulariidae
Paraconularia kohli n. sp.
Paraconularia kohli n. sp. jellyfish
Gastropoda
 Bellerophontida - Bellerophontidae
"Bellerophon (Bellerophon) crassus" = Waagenella crassus
"Bellerophon (Bellerophon) crassus" = Waagenella crassus Meek and Worthen 1860 snail
 Euomphalina - Euomphalidae
"Straparollus (Amphiscapha) subrugosus" = Amphiscapha subrugosa
"Straparollus (Amphiscapha) subrugosus" = Amphiscapha subrugosa Meek and Worthen 1873 snail
 Zygopleuroidea - Pseudozygopleuridae
? Pseudozygopleuridae indet.
Bivalvia
 Cardiida - Kalenteridae
Permophorus ? subcostatus
Permophorus ? subcostatus Meek and Worthen 1866 clam
 Cardiidia - Sanguinolitidae
Wilkingia terminale
Wilkingia terminale Hall 1852 clam
 Myalinida - Myalinidae
Myalina (Myalina) nacoensis n. sp.
 Nuculanida - Polidevciidae
Phestia sp.
Phestia sp. Chernyshev 1951 clam
Rhynchonellata
 Spiriferida - Spiriferidae
Anthracospirifer occiduus
 Athyridida - Athyrididae
Composita subtilita, Cleiothyridina orbicularis
Strophomenata
 Orthotetida - Derbyiidae
Derbyia crassa
Derbyia crassa Meek and Hayden 1858
 Productida - Strophalosiidae
Leptalosia sp.
Leptalosia sp. Dunbar and Condra 1932
 Productida - Echinoconchidae
"Juresania nebrascensis" = Parajuresania nebrascensis, Echinaria semipunctata
"Juresania nebrascensis" = Parajuresania nebrascensis Owen 1852
 Productida - Linoproductidae
Linoproductus prattenianus
Linoproductus prattenianus Norwood and Pratten 1855
 Productida - Productellidae
Antiquatonia sp., "Antiquatonia portlockiana" = Antiquatonia portlockianus
Antiquatonia sp. Miloradovich 1945
"Antiquatonia portlockiana" = Antiquatonia portlockianus Norwood and Pratten 1855
Chondrichthyes
 Hybodontiformes -
Hybodontoidea indet.1
Hybodontoidea indet.1 Agassiz 1834 elasmobranch
 Ctenacanthiformes - Ctenacanthidae
""Cladodus" occidentalis" = Glikmanius occidentalis1
""Cladodus" occidentalis" = Glikmanius occidentalis1 Leidy 1859 elasmobranch
 Ctenacanthiformes -
Acandylacanthus sp.1
Acandylacanthus sp.1 St. John and Worthen 1875 elasmobranch
  -
Amelacanthus sp.1, Physonemus sp.1
Amelacanthus sp.1 Maisey 1982 elasmobranch
Physonemus sp.1 Agassiz 1843 elasmobranch
 Symmoriiformes - Symmoriidae
Petrodus patelliformis1
Petrodus patelliformis1 McCoy 1848 elasmobranch
 Cochliodontiformes - Cochliodontidae
Venustodus leidyi1, Deltodus angularis1, Deltodus sublaevis1
Venustodus leidyi1 St. John and Worthen 1875 chimaera
Deltodus angularis1 Newberry and Worthen 1866 chimaera
>50 teeth and a number of fragments
Deltodus sublaevis1 Agassiz 1843 chimaera
One anterior and one posterior tooth
 Orodontiformes - Orodontidae
Orodus sp.1
Orodus sp.1 Agassiz 1836 chimaera
Species unclear; most closely resembles O. cinctus and O. greggi
 Petalodontiformes - Petalodontidae
Petalodus ohioensis1
Petalodus ohioensis1 Safford 1853 chimaera
  - Lagarodontidae
Lagarodus angustus1
Lagarodus angustus1 Romanovsky 1864 chimaera
Edrioasteroidea
 Isorophida - Agelacrinitidae
Agelacrinitidae indet.2
Crinoidea
 Dendrocrinida - Cromyocrinidae
Dicromyocrinus beusi n. sp.2, ? Cromyocrinus sp.2, Aglaocrinus konecnyorum n. sp.2, Metacromyocrinus sp.2
Dicromyocrinus beusi n. sp.2 Sea lily
? Cromyocrinus sp.2 Trautschold 1867 Sea lily
Aglaocrinus konecnyorum n. sp.2 Sea lily
Metacromyocrinus sp.2 Strimple 1961 Sea lily
 Dendrocrinida - Pirasocrinidae
"Sciadiocrinus brewi n. sp." = Eirmocrinus brewi2, "Eirmocrinus jeani n. sp." = Eirmocrinus brewi
"Sciadiocrinus brewi n. sp." = Eirmocrinus brewi2 Webster and Lane 1970 Sea lily
"Eirmocrinus jeani n. sp." = Eirmocrinus brewi Webster and Lane 1970 Sea lily
Foraminifera
 Fusulinoidea - Fusulinidae
Fusulina socorroensis, Fusulina sp.
Fusulina sp. Schellwien 1898
 Fusulinoidea -
Wedekindellina cf. matura
1Elliott et al. 2004; 2Webster 1981