Hintze faunule J-8 from Ibex (Ordovician of the United States)

Where: Utah (38.9° N, 113.5° W: paleocoordinates 7.4° S, 83.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Wah Wah Formation (Pogonip Group), Blackhillsian (474.9 - 470.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; lithified grainstone and lithified, flat-pebble conglomerate

• Multiple sources indicate that this was a carbonate dominated ramp, with substauntial siliciclastic input, below normal wave base, above storm wave base.
• Calcisiltite, medium gray, thin bedded, intraformational conglomerate in thin beds, very fossiliferous.

Preservation: replaced with silica

Primary reference: L. F. Hintze. 1953. Lower Ordovician trilobites from western Utah and eastern Nevadea. Utah Geological and Mineralogical Survey Bulletin 48:249 p. [A. Miller/A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 63846: authorized by Arnold Miller, entered by Arnold Miller on 22.08.2006, edited by Pete Wagner, Seth Finnegan and Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

• The faunal lists in Hintze 1952 are updated versions of those in Hintze 1951 and, so, are used here.
Show authors, comments, and common names
Bryozoa
  -
? Bryozoa indet.3
? Bryozoa indet.3 Ehrenberg 1831
Rhynchonellata
 Orthida - Finkelnburgiidae
Diparelasma sp.3
Diparelasma sp.3 Ulrich and Cooper 1936
 Orthida - Hesperonomiidae
Hesperonomia sp.3
Hesperonomia sp.3 Ulrich and Cooper 1936
Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia sinuata3
Tritoechia sinuata3 Ulrich and Cooper 1938
Cephalopoda
 Oncocerida - Oncoceratidae
"Catoraphiceras sp." = Zittelloceras3
"Catoraphiceras sp." = Zittelloceras3 Hyatt 1884
Gastropoda
 Bellerophontida -
Bellerophontina indet.4
Bellerophontina indet.4 Ulrich and Scofield 1897 snail
steinkerns
 Euomphalina - Holopeidae
Raphistomina sp.3
Raphistomina sp.3 Ulrich and Scofield 1897 snail
Trilobita
 Asaphida - Asaphidae
? Lachnostoma sp.3, Lachnostoma latucelsum3, "Ptyocephalus declivita" = Kirkella declevita2, "Paranileus aff. utahensis" = Presbynileus utahensis3, Isoteloides polaris
? Lachnostoma sp.3 Ross 1951 trilobite
a hypostome
Lachnostoma latucelsum3 Ross 1951 trilobite
"Ptyocephalus declivita" = Kirkella declevita2 Ross 1951 trilobite
"Paranileus aff. utahensis" = Presbynileus utahensis3 Hintze 1953 trilobite
Isoteloides polaris Poulsen 1927 trilobite
 Asaphida - Nileidae
? Barrandia sp.
? Barrandia sp. M'Coy 1849 trilobite
 Phacopida - Cheiruridae
"? Kawina sexapugia" = Forteyops sexapugia
"? Kawina sexapugia" = Forteyops sexapugia Ross 1951 trilobite
 Phacopida - Pliomeridae
Pseudocybele nasuta3, Cybelopsis speciosa1, Pseudomera cf. insolita3
Pseudocybele nasuta3 Ross 1951 trilobite
Pseudomera cf. insolita3 Poulsen 1927 trilobite
 Proetida - Bathyuridae
Benthamaspis diminutiva, "Goniotelus brighti" = Acidiphorus brighti, "Goniotelus brevus" = Goniotelina brevis
Benthamaspis diminutiva Hintze 1953 trilobite
"Goniotelus brighti" = Acidiphorus brighti Hintze 1953 trilobite
"Goniotelus brevus" = Goniotelina brevis Hintze 1953 trilobite
 Proetida - Dimeropygidae
Dimeropygiella caudanodosa
Dimeropygiella caudanodosa Ross 1951 trilobite
 Proetida - Telephinidae
Carolinites genacinaca
Carolinites genacinaca Ross 1951 trilobite
1Dean 1989; 2Finnegan and Droser 2008; 3Hintze 1951; 4Wagner 2023