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Bottomless Pits, Coconino County, Arizona, USA

Lat/Long (Decimal)	35.203,-111.573
Co-ordinates Derivation	estimated from map
Given Location	Arizona, United States
Mindat.org Region (for given coordinates)	Coconino County, Arizona, USA

Collections

Collection	Reference	Stratigraphic Name	Comments	Lithology	Age
Bottomless Pits, Bed 2, Kaibab Formation, Walnut Canyon	Chronic H. (1952)	Kaibab - "Alpha"	Bed is 4.5 feet thick; forms irregular slope or cliff	"limestone"	272.3 - 268.8 Ma Permian
Bottomless Pits, Bed 9, Kaibab Formation, Walnut Canyon	Chronic H. (1952)	Kaibab - "Alpha"	Bed is 1 foot thick; forms weak ledge	"limestone"	272.3 - 268.8 Ma Permian
Bottomless Pits, Unspecified horizon, Kaibab Formation, Walnut Canyon	Chronic H. (1952)	Kaibab - "Alpha"		"limestone"	272.3 - 268.8 Ma Permian
Bottomless Pits, Walnut Canyon	Miller A. K., Unklesbay A. G. (1942)	Kaibab - Alpha		"limestone"	272.3 - 268.8 Ma Permian

Recorded Fossils

Accepted Name	Hierarchy	Age
Grammatodon (Cosmetodon) politus species	Animalia : Mollusca : Bivalvia : Arcida : Parallelodontidae : Grammatodon : *Grammatodon (Cosmetodon) politus*	272.3 - 268.8 Ma Permian
Permophorus albequus species	Animalia : Mollusca : Bivalvia : Cardiida : Kalenteridae : Permophorus : *Permophorus albequus*	272.3 - 268.8 Ma Permian
Permophorus mexicanus species	Animalia : Mollusca : Bivalvia : Cardiida : Kalenteridae : Permophorus : *Permophorus mexicanus*	272.3 - 268.8 Ma Permian
Astartella subquadrata species	Animalia : Mollusca : Bivalvia : Carditida : Astartidae : Astartella : *Astartella subquadrata*	272.3 - 268.8 Ma Permian
Goniophora cristata species	Animalia : Mollusca : Bivalvia : Modiomorphida : Modiomorphidae : Goniophora : *Goniophora cristata*	272.3 - 268.8 Ma Permian
Myalinella adunca species	Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : Myalina : *Myalinella adunca*	272.3 - 268.8 Ma Permian
Promytilus retusus species	Animalia : Mollusca : Bivalvia : Unionida : Iridinidae : Promytilus : *Promytilus retusus*	272.3 - 268.8 Ma Permian
Alula gilberti species	Animalia : Mollusca : Bivalvia : Sanguinolitidae : Alula : *Alula gilberti*	272.3 - 268.8 Ma Permian
Sanguinolites sp. genus	Animalia : Mollusca : Bivalvia : Grammysiidae : *Sanguinolites*	272.3 - 268.8 Ma Permian
Wilkingia terminale species	Animalia : Mollusca : Bivalvia : Sanguinolitidae : Wilkingia : *Wilkingia terminale*	272.3 - 268.8 Ma Permian
Nuculavus levatiformis species	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae : Nuculavus : *Nuculavus levatiformis*	272.3 - 268.8 Ma Permian
Bakevellia prora species	Animalia : Mollusca : Bivalvia : Ostreida : Bakevelliidae : Bakevellia : *Bakevellia prora*	272.3 - 268.8 Ma Permian
Meekopinna sagitta species	Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : Meekopinna : *Meekopinna sagitta*	272.3 - 268.8 Ma Permian
Leptodesma sp. genus	Animalia : Mollusca : Bivalvia : Ostreida : Pterineidae : *Leptodesma*	272.3 - 268.8 Ma Permian
Aviculopecten kaibabensis species	Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : Aviculopecten : *Aviculopecten kaibabensis*	272.3 - 268.8 Ma Permian
Acanthopecten coloradoensis species	Animalia : Mollusca : Bivalvia : Pectinida : Aviculopectinidae : Acanthopecten : *Pecten coloradoensis*	272.3 - 268.8 Ma Permian
Edmondia sp. genus	Animalia : Mollusca : Bivalvia : Adapedonta : Edmondiidae : *Edmondia*	272.3 - 268.8 Ma Permian
Manzanella cryptodentata species	Animalia : Mollusca : Bivalvia : Solemyida : Manzanellidae : Manzanella : *Manzanella cryptodentata*	272.3 - 268.8 Ma Permian
Solemya parallella species	Animalia : Mollusca : Bivalvia : Solemyida : Solemyidae : Solemya : *Solemya parallella*	272.3 - 268.8 Ma Permian
Kaibabella curvilenata species	Animalia : Mollusca : Bivalvia : Trigoniida : Schizodidae : Kaibabella : *Kaibabella curvilenata*	272.3 - 268.8 Ma Permian
Schizodus texanus species	Animalia : Mollusca : Bivalvia : Trigoniida : Schizodidae : Schizodus : *Schizodus texanus*	272.3 - 268.8 Ma Permian
Nautiloidea subclass	Animalia : Mollusca : Cephalopoda : Nautiloidea	272.3 - 268.8 Ma Permian
Parapenascoceras rotundatum species	Animalia : Mollusca : Cephalopoda : Nautilida : Domatoceratidae : Parapenascoceras : *Parapenascoceras rotundatum*	272.3 - 268.8 Ma Permian
Penascoceras bradyi species	Animalia : Mollusca : Cephalopoda : Nautilida : Domatoceratidae : Penascoceras : *Penascoceras bradyi*	272.3 - 268.8 Ma Permian
Tainoceras schellbachi species	Animalia : Mollusca : Cephalopoda : Nautilida : Tainoceratidae : Tainoceras : *Tainoceras schellbachi*	272.3 - 268.8 Ma Permian
Gastropoda class	Animalia : Mollusca : Gastropoda	272.3 - 268.8 Ma Permian
Bellerophon deflectus species	Animalia : Mollusca : Gastropoda : Bellerophontidae : Bellerophon : *Bellerophon deflectus*	272.3 - 268.8 Ma Permian
Retispira undulata species	Animalia : Mollusca : Gastropoda : Bellerophontidae : Retispira : *Retispira undulata*	272.3 - 268.8 Ma Permian
Euphemites aequisulcatus species	Animalia : Mollusca : Gastropoda : Euphemitidae : Euphemites : *Euphemites aequisulcatus*	272.3 - 268.8 Ma Permian
Donaldospira geminocarinata species	Animalia : Mollusca : Gastropoda : Pleurotomariida : Murchisoniidae : Murchisonia : *Murchisonia geminocarinata*	272.3 - 268.8 Ma Permian
Euomphalidae family	Animalia : Mollusca : Gastropoda : Euomphalina : Euomphalidae	272.3 - 268.8 Ma Permian
Euomphalus kaibabensis species	Animalia : Mollusca : Gastropoda : Euomphalidae : Euomphalus : *Euomphalus kaibabensis*	272.3 - 268.8 Ma Permian
Glyptospira cristulata species	Animalia : Mollusca : Gastropoda : Trochida : Microdomatidae : Glyptospira : *Glyptospira cristulata*	272.3 - 268.8 Ma Permian
Murchisonioidea superfamily	Animalia : Mollusca : Gastropoda : Murchisoniina : Murchisonioidea	272.3 - 268.8 Ma Permian
Euconospira cryptolirata species	Animalia : Mollusca : Gastropoda : Pleurotomariida : Gosseletinidae : Euconospira : *Euconospira cryptolirata*	272.3 - 268.8 Ma Permian
Glabrocingulum (Glabrocingulum) gibber species	Animalia : Mollusca : Gastropoda : Murchisoniina : Gosseletinidae : Glabrocingulum : *Glabrocingulum (Glabrocingulum) gibber*	272.3 - 268.8 Ma Permian
Glabrocingulum coronatum species	Animalia : Mollusca : Gastropoda : Pleurotomariida : Eotomariidae : Glabrocingulum : *Glabrocingulum coronatum*	272.3 - 268.8 Ma Permian
Glabrocingulum laeviliratum species	Animalia : Mollusca : Gastropoda : Pleurotomariida : Eotomariidae : Glabrocingulum : *Glabrocingulum laeviliratum*	272.3 - 268.8 Ma Permian
Mourlonia cancellata species	Animalia : Mollusca : Gastropoda : Pleurotomariida : Eotomariidae : Mourlonia : *Mourlonia cancellata*	272.3 - 268.8 Ma Permian
Pernotrochus arizonensis species	Animalia : Mollusca : Gastropoda : Pleurotomariida : Gosseletinidae : Pernotrochus : *Pernotrochus arizonensis*	272.3 - 268.8 Ma Permian
Goniasma sp. genus	Animalia : Mollusca : Gastropoda : Goniasmatidae : *Goniasma*	272.3 - 268.8 Ma Permian
Stegocoelia quadricostata species	Animalia : Mollusca : Gastropoda : Goniasmatidae : Stegocoelia : *Stegocoelia quadricostata*	272.3 - 268.8 Ma Permian
Worthenia sp. genus	Animalia : Mollusca : Gastropoda : Lophospiridae : *Worthenia*	272.3 - 268.8 Ma Permian
Worthenia corrugata species	Animalia : Mollusca : Gastropoda : Lophospiridae : Worthenia : *Worthenia corrugata*	272.3 - 268.8 Ma Permian
Girtyspira sp. genus	Animalia : Mollusca : Gastropoda : Acteoninidae : *Girtyspira*	272.3 - 268.8 Ma Permian
Meekospira sp. genus	Animalia : Mollusca : Gastropoda : Meekospiridae : *Meekospira*	272.3 - 268.8 Ma Permian
Naticopsis sp. genus	Animalia : Mollusca : Gastropoda : Cycloneritida : Naticopsidae : *Naticopsis*	272.3 - 268.8 Ma Permian
Strianematina pulchrelirata species	Animalia : Mollusca : Gastropoda : Strianematina : *Strianematina pulchrelirata*	272.3 - 268.8 Ma Permian
Orthonema sp. genus	Animalia : Mollusca : Gastropoda : Orthonematidae : *Orthonema*	272.3 - 268.8 Ma Permian
Orthonema striatonodosum species	Animalia : Mollusca : Gastropoda : Orthonematidae : Orthonema : *Orthonema striatonodosum*	272.3 - 268.8 Ma Permian
Cymatochiton kaibabensis species	Animalia : Mollusca : Polyplacophora : Neoloricata : Cymatochiton : *Cymatochiton kaibabensis*	272.3 - 268.8 Ma Permian
Prodentalium canna species	Animalia : Mollusca : Scaphopoda : Dentaliida : Prodentaliidae : Prodentalium : *Prodentalium canna*	272.3 - 268.8 Ma Permian
Lepetopsis sp. genus	Animalia : Mollusca : Tergomya : Archinacellida : Metoptomatidae : *Lepetopsis*	272.3 - 268.8 Ma Permian

References

Miller A. K., Unklesbay A. G. (1942) Permian nautiloids from western United States, Journal of Paleontology 16 6, 719-738

Chronic H. (1952) Molluscan fauna from the Permian Kaibab Formation, Walnut Canyon, Arizona, Geological Society America Bulletin 63 2, 95-166

Brady L. F. (1955) Possible nautiloid mandibles from the Permian of Arizona, Journal of Paleontology 29, 102-104

Wagner P. J. (2017) Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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