= cf. Helopanoplia HOLROYD & HUTCHISON, 2002
Locality: UCMP V-5003, S 1/2, Sec. 20, T37N, R64W, Lance Creek, Powder River Basin, Niobrara County, Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
72932:
Locality: UCMP V-5620, Lull Quarry, near the head of a tributary of Buck Creek, Powder River Basin, Niobrara County (Formerly Converse County), Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
173440:
Locality: UCMP V-5709, Niobrara County (Formerly Converse County), Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
173409:
Localities: UCMP V-5714, Powder River Basin, Eastern Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
173376:
Locality: UCMP V-5820, Kent 484, found on the surface near the top of the east side of a small draw on the south side of the prominent hill northeast of the J. Krejci ranch house, Niobrara County (Formerly Converse County), Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
173436:
Locality: UCMP V65238, Niobrara County, Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
173379:
= cf. Helopanoplia
Locality: UW V93003, Hanna Basin, Carbon County, Southcentral Wyoming.
Horizon: Ferris Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
27385:
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HUTCHISON, KNELL, & BRINKMAN, 2013
Locality: UCMP V93092, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UMNH VP 17025: Partial skeleton including carapace, complete right and partial left hyoplastron, hypoplastron, both xiphiplasta, and associated skeletal fragments.
UMNH VP 11799: Partial hyoplastron and hypoplastron.
UMNH VP 16284: Lateral end of 2 costals preserved in articulation.
UCMP 194260: Lateral half of costal.
Locality: UCMP V93092, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 194260: Lateral half of scostal.
Locality: UCMP V93088, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 194354: Plastron fragments.
Locality: UCMP V94059, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 194095: Lateral edge of the costal.
UCMP 194365: Lateral edge of carapace.
UCMP 194149: 2 plastron fragments.
Locality: UCMP V931o3, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 194149: Complete costal.
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McCORD, McCULLOUGH, SCARBOROUGH & TEGOWSKI, 2001
Locality: Adobe Canyon, Santa Rita Mountains, Santa Cruz County, Arizona.
Horizon: Fort Crittenden Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
MSM:
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SANKEY, 2006
Locality: LSUMNS VL-726, Rattlesnake Mountain Microsite, Big Bend National Park, Brewster County, Texas.
Horizon: Upper Aguja Formation.
Biostratigraphy:
Age: Edmontonian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
LSUMNS 17716: Shell fragments.
Locality: LSUMNS VL-746, Rattlesnake Mountain Microsite, Big Bend National Park, Brewster County, Texas.
Horizon: Upper Aguja Formation.
Biostratigraphy:
Age: Edmontonian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
LSUMNS 17718: Shell fragments.
Locality: LSUMNS VL-834, Rattlesnake Mountain Microsite, Big Bend National Park, Brewster County, Texas.
Horizon: Upper Aguja Formation.
Biostratigraphy:
Age: Edmontonian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
LSUMNS 8324, 17605: Shell fragments.
Locality: LSUMNS VL-837, Rattlesnake Mountain Microsite, Big Bend National Park, Brewster County, Texas.
Horizon: Upper Aguja Formation.
Biostratigraphy:
Age: Edmontonian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
LSUMNS 17717: Shell fragments.
Locality: LSUMNS VL-841, Rattlesnake Mountain Microsite, Big Bend National Park, Brewster County, Texas.
Horizon: Upper Aguja Formation.
Biostratigraphy:
Age: Edmontonian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
LSUMNS 8306: Shell fragments.
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TITUS, KNOLL, SERTICH, YAMAMURA, SUAREZ, GLASSPOOL, GINOUVES, LUKACIC & ROBERTS, 2021
Locality: Rainbows and Unicorns Quarry (RUQ), Kaiparowits Plateau area, Grqnd Staircase-Escalante National Mounument, Kane County, Utah.
Horizon: Middle Member, Kaiparowits Formation.
Biostratigraphy:
Age: Judithian age, Late Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
Numbers: Not given: