Where: Coconino County, Arizona (35.7° N, 111.5° W: paleocoordinates 9.6° N, 36.2° W)
• coordinate estimated from map
• local area-level geographic resolution
When: "Alpha" Member (Kaibab Formation), Roadian (272.3 - 268.8 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; limestone
Size class: macrofossils
Preservation: replaced with silica
Collection methods: bulk, chemical,
Primary reference: H. Chronic. 1952. Molluscan fauna from the Permian Kaibab Formation, Walnut Canyon, Arizona. Geological Society America Bulletin 63(2):95-166 [D. Bottjer/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 40001: authorized by David Bottjer, entered by Matthew Clapham on 13.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Palaeonucula levatiformis" = Nuculavus levatiformis
"Palaeonucula levatiformis" = Nuculavus levatiformis Walcott 1884 nut clam | |
"Solemya parallella" = Acharax parallela
"Solemya parallella" = Acharax parallela Beede and Rogers 1899 Awning Clam | |
Manzanella cryptodentata Chronic 1952 clam | |
"Nuculana obesa" = Polidevcia obesa
"Nuculana obesa" = Polidevcia obesa White 1879 clam | |
Kaibabella curvilenata n. gen. n. sp.
Kaibabella curvilenata n. gen. n. sp. Chronic 1952 clam | |
Astartella subquadrata Girty 1909 clam | |
Rimmyjimina arcula n. gen. n. sp., "Pleurophorus albequus" = Permophorus albequus
Rimmyjimina arcula n. gen. n. sp. Chronic 1952 clam
"Pleurophorus albequus" = Permophorus albequus Beede 1907 clam | |
"Goniophora cristata n. sp." = Naiadopsis cristata
"Goniophora cristata n. sp." = Naiadopsis cristata Chronic 1952 clam | |
? Allorisma "juveniles" King 1844 clam | |
Bakevellia cf. sulcata Geinitz 1866 oyster | |
"Dozierella "sp. 1"" = Leptodesma
"Dozierella "sp. 1"" = Leptodesma Hall 1883 oyster | |
"Grammatodon politus" = Grammatodon (Cosmetodon) politus
"Grammatodon politus" = Grammatodon (Cosmetodon) politus Girty 1909 clam | |
Gastropoda | |
Gastropoda "Genus and species indet. 2" Cuvier 1795 snail | |
Naticopsis kaibabensis n. sp.
Naticopsis kaibabensis n. sp. Chronic 1952 snail | |
Glyptospira cristulata n. gen. n. sp.
Glyptospira cristulata n. gen. n. sp. Chronic 1952 snail | |
"? Eotrochus liratus n. sp." = Sallya lirata
"? Eotrochus liratus n. sp." = Sallya lirata Chronic 1952 snail | |
Euomphalus kaibabensis n. sp.
Euomphalus kaibabensis n. sp. Chronic 1952 snail | |
Platyworthenia delicata Chronic 1952 snail | |
"Oncochilus insolitus n. sp." = Cylindritopsis insolitus
"Oncochilus insolitus n. sp." = Cylindritopsis insolitus Chronic 1952 snail | |
Worthenia corrugata n. sp.
Worthenia corrugata n. sp. Chronic 1952 snail | |
"Ananias franciscanus n. sp." = Apachella franciscana, Glabrocingulum laeviliratum n. sp., ? Glabrocingulum coronatum
"Ananias franciscanus n. sp." = Apachella franciscana Chronic 1952 snail
Glabrocingulum laeviliratum n. sp. Chronic 1952 snail
? Glabrocingulum coronatum Chronic 1952 snail | |
Orthonema "sp. 1" Meek and Worthen 1862 snail
? Orthonema striatonodosum n. sp. Chronic 1952 snail
? Aclisina bisulcata n. sp. Chronic 1952 snail | |
"Murchisonia geminocarinata n. sp." = Donaldospira geminocarinata
"Murchisonia geminocarinata n. sp." = Donaldospira geminocarinata Chronic 1952 snail | |
Warthia sp. Waagen 1880 snail
Euphemites sp. Warthin 1930 snail
Euphemites aequisulcatus n. sp. Chronic 1952 snail | |
Bellerophon deflectus n. sp.
Bellerophon deflectus n. sp. Chronic 1952 snail | |
Scaphopoda | |
"Plagioglypta canna" = Prodentalium canna
"Plagioglypta canna" = Prodentalium canna White 1874 tusk shell | |
Strophomenata | |
"Dictyoclostus bassi" = Peniculauris bassi
"Dictyoclostus bassi" = Peniculauris bassi McKee 1938 | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily |