PBDB Collection

M302/1-2, M42-a; Tiktirikteekh Creek/Rivulet (Cambrian of Russian Federation)

Where: Yakutiya, Russian Federation (66.4° N, 112.3° E: paleocoordinates 19.3° S, 8.9° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Lapworthella tortuosa small shelly zone, Khatyngian Member (Pestrotsvet Formation), Tommotian (525.5 - 521.0 Ma)

• Dokidocyathus regularis archaeocyath zone; "members" 1-2

• group of beds-level stratigraphic resolution

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

• Yellow-red, highly argillaceous glauconitic limestones containing areas stuffed with various fossils and bearing archaeocyathid bioherms.

Size classes: mesofossils, microfossils

Preservation: replaced with phosphate

Collection methods: bulk,

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: general faunal/floral analysis

PaleoDB collection 96251: authorized by Pete Wagner, entered by Pete Wagner on 30.05.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Cryptaporacyathus junicanensis, Batcatocyathus tunicatus Cryptaporacyathus junicanensis Batcatocyathus tunicatus
Orthothecimorpha
Circothecida -	"Coleolella billingsi" = Spinulitheca billingsi "Coleolella billingsi" = Spinulitheca billingsi Syssoiev 1962
Hyolitha
Hyolithida - Nelegerocornidae	Microcornus simus¹ Microcornus simus¹ Missarzhevsky 1974
Hyolithida - Sulcavitidae	Tuojdachithes costulatus, Burithes distortus, Dorsolinevitus sp. Tuojdachithes costulatus Rozanov et al. 1969 Burithes distortus Syssoiev 1962 Dorsolinevitus sp. Syssoiev 1958
Hyolithida - Hyolithidae	Korilithes sp. Korilithes sp. Rozanov et al. 1969
Hyolithomorpha
Sulcavitida - Inflaticornidae	Yacutolituus fusiformis¹ Yacutolituus fusiformis¹ Missarzhevsky 1974
Hyolitha
Orthothecida - Allathecidae	Antiquatheca pauca¹, Allatheca corrugata, "Egdetheca aldanica" = Exilitheca Antiquatheca pauca¹ Missarzhevsky 1974 Allatheca corrugata Rozanov et al. 1969 "Egdetheca aldanica" = Exilitheca
Orthothecida -	Turcutheca rugata, Turcutheca annae, Turcutheca crasseocochlia Turcutheca rugata Syssoiev 1959 Turcutheca annae Syssoiev 1959 Turcutheca crasseocochlia Syssoiev 1962
Brachiopoda
Mitrosagophora - Tommotiidae	"Camena kozlowskii" = Camenella kozlowskii, "Camena admiranda" = Camenella admiranda, Camenella garbowskae "Camena kozlowskii" = Camenella kozlowskii Rozanov and Missarzhevsky 1966 "Camena admiranda" = Camenella admiranda Rozanov and Missarzhevsky 1966 Camenella garbowskae Rozanov and Missarzhevsky 1966
Tommotiida - Lapworthellidae	Lapworthella tortuosa Lapworthella tortuosa
Helcionelloida
Helcionellida - Coreospiridae	Latouchella sp. Latouchella sp. Cobbold 1921
Helcionellida - Helcionellidae	Igorella monstrosa n. sp., "Helcionella jacutica n. sp." = Bemella jacutica², Bemella malycanica Igorella monstrosa n. sp. Rozanov et al. 1969 "Helcionella jacutica n. sp." = Bemella jacutica² Rozanov and Missarzhevsky 1966 Bemella malycanica Rozanov and Missarzhevsky 1966
Helcionellida - Stenothecidae	"Anabarella indecora" = Mellopegma indecora "Anabarella indecora" = Mellopegma indecora Rozanov et al. 1969
Pelagiellida - Aldanellidae	"Aldanella rozanovi" = Aldanella attleborensis "Aldanella rozanovi" = Aldanella attleborensis Shaler and Foerste 1888
Watsonella crosbyi
-	"Heraultia sibirica" = Watsonella crosbyi¹ "Heraultia sibirica" = Watsonella crosbyi¹ Grabau 1900
Scyphozoa
Anabaritida - Anabaritidae	Anabarites sp. Anabarites sp. Voronova and Missarzhevsky 1969 jellyfish
Archaeocyatha
Archaeocyathida - Loculicyathidae	Okulitchicyathus disciformis, Cambrocyathellus tschuranicus, Paranacyathus tuberculatus Okulitchicyathus disciformis archaeocyath sponge Cambrocyathellus tschuranicus archaeocyath sponge Paranacyathus tuberculatus archaeocyath sponge
Archaeocyathida - Dictyocyathidae	Dictyocyathus translucidus Dictyocyathus translucidus archaeocyath sponge
Monocyathida - Monocyathidae	Archaeolynthus polaris Archaeolynthus polaris archaeocyath sponge
Ajacicyathida - Dokidocyathidae	Dokidocyathus regularis Dokidocyathus regularis archaeocyath sponge
Ajacicyathida - Ajacicyathidae	Ajacicyathus tkatschenkoi, Nochoroicyathus mirabilis, Nochoroicyathus vulgaris Ajacicyathus tkatschenkoi archaeocyath sponge Nochoroicyathus mirabilis archaeocyath sponge Nochoroicyathus vulgaris archaeocyath sponge
Capsulocyathida - Coscinocyathidae	Coscinocyathus rojkovi Coscinocyathus rojkovi archaeocyath sponge

Hyolithelminthida - Torellellidae	Torellella lentiformis Torellella lentiformis Syssoiev 1962
Hyolithelminthida - Hyolithellidae	Hyolithellus vladimirovae, Hyolithellus grandis, Hyolithellus tenuis Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966 Hyolithellus grandis Rozanov et al. 1969 Hyolithellus tenuis Rozanov and Missarzhevsky 1966
Camenida - Camenidae	Camena plana Camena plana

¹Missarzhevsky 1974; ²Rozanov and Missarzhevsky 1966