PBDB Collection

Amtjärn Quarry, Kullsberg Lmst. (Ordovician to of Sweden)

Also known as Amtjärn

Where: Dalarne, Sweden (61.1° N, 15.2° E: paleocoordinates 30.9° S, 7.1° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Kullsberg Formation, Keila to Keila (453.9 - 451.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone

• Lime grainstone; shelf carbonate mounds

Size classes: macrofossils, mesofossils

Collection methods: PMO, Riksmuseet

Primary reference: J.O.R. Ebbestad. 1998. Multiple attempted predation in the Middle Ordovician gastropod Bucania gracillima. Geologiska Föreningens i Stockholm Förhandlingar 120(1):27-33 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 73855: authorized by Pete Wagner, entered by Pete Wagner on 05.07.2007, edited by Björn Kröger and Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Rhombifera - Caryocystitidae	Stichocystis geometrica¹, Caryocystites lagenalis² Stichocystis geometrica¹ Angelin 1878 Caryocystites lagenalis² Regnell 1945
Sphaeronitida - Sphaeronitidae	Haplosphaeronis oblonga⁹ Haplosphaeronis oblonga⁹ Angelin 1899
Crinoidea
Hybocrinida - Cornucrinidae	Cornucrinus mirus¹⁰ Cornucrinus mirus¹⁰ Regnell 1948 Sea lily
Cephalopoda
Actinocerida - Gonioceratidae	Hoeloceras muroni⁸ Hoeloceras muroni⁸ Kröger and Aubrechtova 2017
Dissidocerida - Geisonoceratidae	Ordogeisonoceras uppsalaensis⁸, Ordogeisonoceras tartuensis⁸ Ordogeisonoceras uppsalaensis⁸ Kröger and Aubrechtová 2019 Ordogeisonoceras tartuensis⁸ Kröger and Aubrechtova 2017
Orthocerida - Proteoceratidae	Isorthoceras sp.⁸, Isorthoceras sylphide⁸ Isorthoceras sp.⁸ Flower 1962 Isorthoceras sylphide⁸ Kröger and Aubrechtová 2019
Orthocerida - Orthoceratidae	Striatocycloceras undulatostriatum⁸, Pleurorthoceras clarkvillense⁸ Striatocycloceras undulatostriatum⁸ Pleurorthoceras clarkvillense⁸
Endocerida - Endoceratidae	Cameroceras sp.⁸ Cameroceras sp.⁸ Conrad 1842
Discosorida - Cyrtogomphoceratidae	Furudaloceras tomtei⁸ Furudaloceras tomtei⁸ Kröger and Aubrechtová 2019
Tarphycerida - Trocholitidae	Discoceras amtjaernense⁸ Discoceras amtjaernense⁸ Kröger and Aubrechtová 2019
Gastropoda
Bellerophontida - Bucaniidae	Bucania gracillima Bucania gracillima Koken 1896 snail
Bivalvia
Myalinida - Ambonychiidae	Mytilarca parallela⁷, Mytilarca triangula⁷, Mytilarca crassa⁷, Mytilarca thorslundi⁷, Paramytilarca oblonga⁷, "Ambonychinia primitiva" = Cleionychia primitiva⁷ Mytilarca parallela⁷ Isberg 1934 clam Mytilarca triangula⁷ Isberg 1934 clam Mytilarca crassa⁷ Isberg 1934 clam Mytilarca thorslundi⁷ Isberg 1934 clam Paramytilarca oblonga⁷ Isberg 1934 clam "Ambonychinia primitiva" = Cleionychia primitiva⁷ Isberg 1934 clam
Lingulata
Lingulida - Discinidae	Orbiculoidea kullsbergensis⁶ Orbiculoidea kullsbergensis⁶ Holmer 1987
Stenolaemata
Trepostomata - Halloporidae	Diplotrypa petropolitana⁵ Diplotrypa petropolitana⁵ Nicholson 1879
Cyclostomata - Crownoporidae	Mitoclemella kullsbergiana³ Mitoclemella kullsbergiana³ Brood 1974
Trilobita
Corynexochida - Illaenidae	Illaenus sp.¹¹, Illaenus gigas¹¹, "Illaenus fallax" = Parillaenus fallax¹¹ Illaenus sp.¹¹ Dalman 1827 trilobite Illaenus gigas¹¹ Holm 1882 trilobite "Illaenus fallax" = Parillaenus fallax¹¹ Holm 1882 trilobite
Odontopleurida - Odontopleuridae	Acidaspis sp.¹¹, Apianurus furcata⁴ Acidaspis sp.¹¹ Murchison 1839 trilobite Apianurus furcata⁴ Linnarsson 1869 trilobite
Lichida - Lichidae	Platylichas lingua¹², Platylichas nasutus¹¹, Amphilichas atavus¹¹ Platylichas lingua¹² Warburg 1939 trilobite Platylichas nasutus¹¹ Wigand 1888 trilobite Amphilichas atavus¹¹ Warburg 1925 trilobite
Phacopida - Calymenidae	"Pharostoma foveolata" = Prionocheilus foveolatum¹¹ "Pharostoma foveolata" = Prionocheilus foveolatum¹¹ Törnquist 1884 trilobite
Phacopida - Cheiruridae	Hemisphaerocoryphe granulata¹¹, Ceraurus latifrons¹¹, Pseudosphaerexochus tuberculatus¹¹, Pseudosphaerexochus granulatus¹¹, Sphaerexochus hisingeri¹¹ Hemisphaerocoryphe granulata¹¹ Angelin 1854 trilobite Ceraurus latifrons¹¹ Warburg 1925 trilobite Pseudosphaerexochus tuberculatus¹¹ Warburg 1925 trilobite [Sphaerexochus tuberculatus] Pseudosphaerexochus granulatus¹¹ Angelin 1854 trilobite Sphaerexochus hisingeri¹¹ Warburg 1925 trilobite

¹Bockelie 1981; ²Bockelie 1982; ³Brood 1974; ⁴Bruton 1966; ⁵Fritz 1966; ⁶Holmer 1987; ⁷Isberg 1934; ⁸Kröger and Aubrechtová 2019; ⁹Regnéll 1945; ¹⁰Regnell 1948; ¹¹Warburg 1925; ¹²Warburg 1939