Ezeriskogo Horizon, bed 4, Tallin: Aseri, Estonia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia - Graptoloidea - Dichograptidae
Didymograptus acutus
Rhombifera - Echinosphaeritidae
Echinosphaerites aurantium (Gyllenhaal 1772)
var. infrum
Sphaeronitidae
Glyptosphaerites leuchtenbergi (Volborth 1846)
Crinoidea
Pentagonocyclicus equitans
Crinoidea - Hybocrinida - Hybocrinidae
Revalocrinus lobatus
costatus
Conodonta - Prioniodontida
Paracordylodus informal sp. 1 Lindström
Conodonta - Prioniodontida - Balognathidae
Prioniodus informal sp. 1 Lindström
Conodonta
Scandodus informal sp. 1 Lindström
Conodonta - Protopanderodontida - Oneotodontidae
Scolopodus cornuformis Sergeeva 1963
Conodonta - Protopanderodontida - Drepanoistodontidae
Oistodus forceps Lindström 1955
Conodonta - Panderodontida - Panderodontidae
Panderodus sp. Ethington 1959
Stenolaemata - Cystoporata - Constellariidae
Xenotrypa primaeva
Stenolaemata - Cystoporata - Ceramoporidae
Favositella discoidalis Bassler 1911
Stenolaemata - Esthonioporata - Esthonioporidae
Esthoniopora curvata Bassler 1911
Stenolaemata - Trepostomida - Monticuliporidae
Mesotrypa excentrica
Mesotrypa volchovensis
Stenolaemata - Trepostomata - Aisenvergiidae
Orbipora solida Bassler 1911
Orbipora distincta (Eichwald 1829)
Stenolaemata - Trepostomata - Halloporidae
Dianulites apiculites
Dianulites janischewskyi
Dianulites petropolitanus
Lingulata - Siphonotretida - Siphonotretidae
Siphonotreta sp.
Lingulata - Lingulida - Pseudolingulidae
Pseudolingula informal sp. b
Rhynchonellata - Pentamerida - Porambonitidae
Porambonites sp. Pander 1830
Rhynchonellata - Orthida - Productorthidae
Glossorthis sp. Öpik 1930
Strophomenata - Strophomenida - Leptestiidae
Leptestia humboldti
Strophomenata - Strophomenida - Plectambonitidae
Plectambonites aranea Opik 1933
Plectambonites planissimus Pander 1830
Strophomenata - Billingsellida - Gonambonitidae
Estlandia seidlitzi Rubel 1963
Cephalopoda - Tarphycerida - Trocholitidae
Curtoceras teres
Cephalopoda - Orthocerida - Orthoceratidae
Bifoveoceras bifoveatum
Orthoceras regulare
Ctenoceras sp. Noetling 1884
Cephalopoda - Dissidocerida - Geisonoceratidae
Harrisoceras volchovense
Cephalopoda - Barrandeocerida - Barrandeoceratidae
Aserioceras purtsensis Stumbur 1962
Cephalopoda - Endocerida - Endoceratidae
Suecoceras sp. Holm 1896
Endoceras sp. Hall 1847
unclassified
Leptoptilum informal n. sp.
Falodus parvidentatus
Gastropoda - Bellerophontida - Bucaniidae
Salpingostoma carrolense Koken and Perner 1925
Gastropoda - Bellerophontida - Plectonotidae
Bucanella (Bucanella) undata (Koken 1897)
Gastropoda - Bellerophontida - Sinuitidae
Sinuites rugulosus Koken 1897
Gastropoda - Murchisoniina - Lophospiridae
Loxoplocus (Lophospira) curvistriata (Koken and Perner 1925)
var. curvistriata & laevis
Gastropoda - Murchisoniina - Gosseletinidae
Clathrospira maritima (Koken 1897)
Gastropoda - Murchisoniina - Eotomariidae
Spirotomaria rudissima (Koken 1897)
Gastropoda - Murchisoniina - Subulitidae
Subulites (Subulites) priscus d'Eichwald 1860
var. radiata
Gastropoda - Euomphalina - Lesueurillidae
Ecculiomphalus princeps (Remelé 1888)
Gastropoda - Euomphalina - Holopeidae
Holopea eichwaldi Koken 1897
Gastropoda - Euomphalina - Ophiletidae
Ecculiomphalus centrifugus (Koken 1897)
Trilobita - Harpetida - Harpetidae
"Harpes" spasskii Eichwald 1840
Trilobita - Asaphida - Asaphidae
Pseudoasaphus tecticaudatus (Steinhardt 1874)
var. tecticaudatus
Asaphus (Neoasaphus) kowalewskii (Lawrow 1856)
Asaphus (Neoasaphus) cornutus (Pander 1830)
var. cornutus & holmi
Asaphus (Neoasaphus) latus (Pander 1930)
var. latus
Asaphus (Neoasaphus) laevissimus (Schmidt 1898)
var. laevissimus
Trilobita - Corynexochida - Illaenidae
Illaenus ariensis
Illaenus excellens
Illaenus sinuatus
Illaenus sulcifrons
Illaenus tauricornis
Illaenus atavus Eichwald 1857
Trilobita - Phacopida - Cheiruridae
Paraceraurus macrophthalmus
Trilobita - Phacopida - Pterygometopidae
Estoniops panderi (Schmidt 1881)
Chasmops nasutus
Trilobita - Lichida - Lichidae
Hoplolichas dissidens (Beyrich 1845)
unclassified
Palaeacmaea constricta
Pseudosphaerexochus hemicranium (Kutorga 1854)
see common names

Geography
Country:Estonia
Coordinates: 59.4° North, 24.8° East (view map)
Paleocoordinates:34.7° South, 2.1° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Ordovician Epoch: Middle Ordovician
Stage: Darriwilian 10 m.y. bin: Ordovician 3
Key time interval: Aseri Other zone:  Cyathochitina sebyensis - Laufeldochitina striata
Age range of interval: 462.9 - 460.4 m.y. ago
Stratigraphy
Formation:Kandle
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: "limestone"
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Rõõmusoks 1970 Table 3 col. 4
Database number:56200
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2005-11-15 19:15:59 Last modified:2018-04-10 20:00:17
Access level:the public Released:2005-11-15 19:15:59
Creative Commons license:CC BY
Reference information

Primary reference:
15158. A. Rõõmusoks. 1970. Stratigrafia viruskoy i kharjuskoy seriy (ordovik) Sevemoy Estonii. [Stratigraphy of the Viruan and Harjuan Series (Ordovician) in North Estonia]. Valgus Publishes 1-346 [P. Wagner/P. Wagner]