PBDB Collection

M304/15, A400/1-3, A403/5, opposite Isit' village, near Tiiktirikteekh R. mouth (Cambrian of Russian Federation)

Also known as Also M304/20

Where: Yakutia, Russian Federation (60.8° N, 125.3° E: paleocoordinates 13.1° S, 14.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lapworthella tortuosa zone, Pestrotsvet Formation, Tommotian (525.5 - 521.0 Ma)

• Lower Tommotian; Layer 6

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; glauconitic, green, red limestone

• Dark red (pink and green, richley argillaceous in bads) glauconitic limestones stuffed with fossils and containing archaeocyathid bioherms 1-1.5 m in height

Size classes: mesofossils, microfossils

Primary reference: A. Y. Rozanov, V. V. Missarzhevsky, N. A. Volkova, L. G. Voronova, I. N. Krylov, B.M. Keller, I. K. Korolyuk, K. Lendzion, R. Mikhnyar, N. G. Pykhova, and A. D. Sidorov. 1969. Tommotskiu jarus i problema nizhney granisty kembriya [The Tommotian Stage and the Cambrian lower Boundary problem]. Trudy Geoligske Institut Leningrad 206:1-379 [P. Wagner/P. Wagner/P. Novack-Gottshall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96245: authorized by Pete Wagner, entered by Pete Wagner on 29.05.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Cryptaporacyathus junicanensis Cryptaporacyathus junicanensis

Hyolithelminthida - Hyolithellidae	Hyolithellus tenuis, Hyolithellus vladimirovae, Hyolithellus grandis Hyolithellus tenuis Rozanov and Missarzhevsky 1966 Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966 Hyolithellus grandis Rozanov et al. 1969
Hyolithelminthida - Torellellidae	Torellella lentiformis Torellella lentiformis Syssoiev 1962
Brachiopoda
Tommotiida - Lapworthellidae	Lapworthella tortuosa Lapworthella tortuosa
Tommotiida - Tommotiidae	Camenella garbowskae, "Camena kozlowskii" = Camenella kozlowskii, "Camena admiranda" = Camenella admiranda Camenella garbowskae Rozanov and Missarzhevsky 1966 "Camena kozlowskii" = Camenella kozlowskii Rozanov and Missarzhevsky 1966 "Camena admiranda" = Camenella admiranda Rozanov and Missarzhevsky 1966
Hyolitha
Hyolithida - Sulcavitidae	Tuojdachithes costulatus, Burithes distortus Tuojdachithes costulatus Rozanov et al. 1969 Burithes distortus Syssoiev 1962
Orthothecida - Allathecidae	Allatheca corrugata, "Egdetheca aldanica" = Exilitheca Allatheca corrugata Rozanov et al. 1969 "Egdetheca aldanica" = Exilitheca
Orthothecida -	Turcutheca crasseocochlia, Turcutheca annae, Turcutheca rugata Turcutheca crasseocochlia Syssoiev 1962 Turcutheca annae Syssoiev 1959 Turcutheca rugata Syssoiev 1959
Orthothecimorpha
Circothecida -	"Coleolella billingsi" = Spinulitheca billingsi "Coleolella billingsi" = Spinulitheca billingsi Syssoiev 1962
Helcionelloida
Pelagiellida - Aldanellidae	"Aldanella rozanovi" = Aldanella attleborensis "Aldanella rozanovi" = Aldanella attleborensis Shaler and Foerste 1888
Helcionellida - Helcionellidae	"Latouchella korobkovi" = Oelandiella korobkovi, Bemella jacutica, "Ginella sp." = Ilsanella "Latouchella korobkovi" = Oelandiella korobkovi Vostokova 1962 Bemella jacutica Rozanov and Missarzhevsky 1966 "Ginella sp." = Ilsanella Missarzhevsky 1981
Archaeocyatha
Ajacicyathida - Ajacicyathidae	Ajacicyathus virgatus, Ajacicyathus tkatschenkoi, Nochoroicyathus vulgarus, "Ajacicyathus sunnaginicus" = Nochoroicyathus sunnaginicus Ajacicyathus virgatus archaeocyath sponge Ajacicyathus tkatschenkoi archaeocyath sponge Nochoroicyathus vulgarus archaeocyath sponge "Ajacicyathus sunnaginicus" = Nochoroicyathus sunnaginicus Zhuravleva 1960 archaeocyath sponge
Archaeocyathida - Dictyocyathidae	Dictyocyathus translucidus Dictyocyathus translucidus archaeocyath sponge
Archaeocyathida - Loculicyathidae	Okulitchicyathus disciformis, "Cambrocyathellus tschuranicus" = Cambrocyathellus, "Robustocyathus robustus" = Cambrocyathellus robustus, "Robustocyathus belvederi" = Cambrocyathellus, Paranacyathus tuberculatus Okulitchicyathus disciformis archaeocyath sponge "Cambrocyathellus tschuranicus" = Cambrocyathellus archaeocyath sponge "Robustocyathus robustus" = Cambrocyathellus robustus Vologdin 1937 archaeocyath sponge "Robustocyathus belvederi" = Cambrocyathellus archaeocyath sponge Paranacyathus tuberculatus archaeocyath sponge
Monocyathida - Monocyathidae	Archaeolynthus polaris Archaeolynthus polaris archaeocyath sponge
Scyphozoa
Anabaritida - Anabaritidae	Anabarites sp. Anabarites sp. Voronova and Missarzhevsky 1969 jellyfish

Camenida - Camenidae	Camena plana Camena plana