M303/2, A301. Tiktirikteekh Creek/Rivulet (Cambrian of Russian Federation)

Where: Yakutiya, Russian Federation (66.4° N, 112.3° E)

• Paleocoordinates: 4.2° S, 71.6° W (Wright 2013)

• 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: taxonomic analysis

PaleoDB collection 96394: authorized by Pete Wagner, entered by Pete Wagner on 05.06.2010

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Cryptaporacyathus junicanensis, Batcatocyathus tunicatus
 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
 Hyolithelminthida - Torellellidae
Torellella lentiformis
Torellella lentiformis Syssoiev 1962
Helcionelloida
 Pelagiellida - Aldanellidae
"Aldanella rozanovi" = Aldanella attleborensis
"Aldanella rozanovi" = Aldanella attleborensis Shaler and Foerste 1888
  - Stenothecidae
"Anabarella indecora" = Mellopegma indecora, "Heraultia sibirica n. sp." = Watsonella crosbyi1
"Anabarella indecora" = Mellopegma indecora Rozanov et al. 1969
"Heraultia sibirica n. sp." = Watsonella crosbyi1 Grabau 1900
  - Helcionellidae
Igorella monstrosa, Auricullina papulosa2, Bemella jacutica, Latouchella sp.
Igorella monstrosa Rozanov et al. 1969
Auricullina papulosa2 Vasil’yeva 1998
Bemella jacutica Rozanov and Missarzhevsky 1966
Latouchella sp. Cobbold 1921
Orthothecimorpha
 Circothecida -
"Coleolella billingsi" = Spinulitheca billingsi
"Coleolella billingsi" = Spinulitheca billingsi Syssoiev 1962
Hyolithomorpha
 Sulcavitida - Inflaticornidae
Yacutolituus fusiformis n. sp.1
Yacutolituus fusiformis n. sp.1 Missarzhevsky 1974
Hyolitha
 Hyolithida - Nelegerocornidae
Microcornus simus n. sp.1
Microcornus simus n. sp.1 Missarzhevsky 1974
 Hyolithida - Hyolithidae
Korilithes sp.
Korilithes sp. Rozanov et al. 1969
 Hyolithida - Sulcavitidae
Tuojdachithes costulatus, Dorsolinevitus sp., Burithes distortus
Tuojdachithes costulatus Rozanov et al. 1969
Dorsolinevitus sp. Syssoiev 1958
Burithes distortus Syssoiev 1962
 Orthothecida -
Turcutheca crasseocochlia, Turcutheca rugata, Turcutheca annae
Turcutheca rugata Syssoiev 1959
Turcutheca annae Syssoiev 1959
 Orthothecida - Allathecidae
"Egdetheca aldanica" = Exilitheca, Allatheca corrugata, Antiquatheca pauca n. sp.1
"Egdetheca aldanica" = Exilitheca
Allatheca corrugata Rozanov et al. 1969
Antiquatheca pauca n. sp.1 Missarzhevsky 1974
Brachiopoda
 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
 Tommotiida - Lapworthellidae
Lapworthella tortuosa
Scyphozoa
 Anabaritida - Anabaritidae
Anabarites sp.
Anabarites sp. Voronova and Missarzhevsky 1969 jellyfish
Archaeocyatha
 Ajacicyathida - Ajacicyathidae
Ajacicyathus tkatschenkoi, Nochoroicyathus mirabilis, Nochoroicyathus vulgaris
Ajacicyathus tkatschenkoi archaeocyath sponge
Nochoroicyathus mirabilis archaeocyath sponge
Nochoroicyathus vulgaris archaeocyath sponge
 Ajacicyathida - Dokidocyathidae
Dokidocyathus regularis
Dokidocyathus regularis archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Cambrocyathellus tschuranicus, Okulitchicyathus disciformis, Paranacyathus tuberculatus
Cambrocyathellus tschuranicus archaeocyath sponge
Okulitchicyathus disciformis archaeocyath sponge
Paranacyathus tuberculatus archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus translucidus
Dictyocyathus translucidus archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus polaris
Archaeolynthus polaris archaeocyath sponge
 Capsulocyathida - Coscinocyathidae
Coscinocyathus rojkovi
Coscinocyathus rojkovi archaeocyath sponge
 Camenida - Camenidae
Camena plana
1Missarzhevsky 1974; 2Parkhaev 2006