Lower Dobrotivian diamictite beds, Aragoncillo (Ordovician of Spain)

Where: Guadalajara, Spain (40.9° N, 2.1° W: paleocoordinates 72.2° S, 86.4° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Gymnograptus linnarssoni graptolite zone, Villar del Salz Formation, Dobrotivian (459.0 - 457.9 Ma)

• Overlies Armorican Quartzite. Underlies San Marcos. Graptolite zone not given, but lower Dobrotivian should be Gymnograptus linnarssoni.

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale and siltstone

• shale & siltstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: P. Herranz Araújo, J. C. Gutiérrez–Marco, A. P. Pieren Pidal, M. Robardet, M. A. San José Lancha, I. Rábano, and G. N. Sarmiento. 2003. The Ordovician succession from the western Iberian Ranges (NE Spain): a review with new data. In G. L. Albanesi, M. S. Beresi, S. H. Peralta (eds.), Ordovician from the Andes 17:417-424 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 194899: authorized by Pete Wagner, entered by Pete Wagner on 06.07.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

• Bivalve taxonomy
unclassified
  -
Stylophora
 Mitrata - Kirkocystidae
Anatifopsis ancora
Dominguez and Gutierrez Marco
unclassified
  -
Pelmatozoa "columnals" Leuckart 1848
 Sphaeronitida - Sphaeronitidae
"Calix rouaulti" = Calix purkynei
"Calix rouaulti" = Calix purkynei Kloucek 1917
Chauvel
Trilobita
 Phacopida - Calymenidae
Neseuretus tristani Brongniart in Desmarest 1817 trilobite
 Phacopida - Homalonotidae
Colpocoryphe rouaulti Henry 1970 trilobite
Henry
Eohomalonotus sdzuyi Hammann and Henry 1978 trilobite
Hammann and Henry (only found in sandstones
 Phacopida - Pliomeridae
"Placoparia (Coplacoparia) tourneminei" = Placoparia (Coplacoparia) tournemini
"Placoparia (Coplacoparia) tourneminei" = Placoparia (Coplacoparia) tournemini Rouault 1847 trilobite
Rouault
 Phacopida - Dalmanitidae
Morgatia hupei, "Eodalmanitina sp." = Mucronaspis
Morgatia hupei Nion and Henry 1966 trilobite
"Eodalmanitina sp." = Mucronaspis Destombes 1963 trilobite
 Corynexochida - Illaenidae
Ectillaenus sp. Salter 1867 trilobite
Ostracoda
 Palaeocopida - Quadrijugatoridae
 Palaeocopida - Tetradellidae
Tetradellidae indet. Swartz 1936 ostracod
 Palaeocopida -
Panderia beaumonti ostracod
(Rouault
Polychaeta
  -
Arachnostega gastrochaenae Bertling 1992
Bertling
Hyolitha
 Hyolithida - Hyolithidae
Elegantilites sp. Marek 1966
Strophomenata
 Strophomenida - Aegiromenidae
Aegiromena mariana Chauvel et al. 1969
Rhynchonellata
 Orthida - Plectorthidae
 Orthida - Platyorthidae
"Eorhipidomella musculosa" = Crozonorthis musculosa
"Eorhipidomella musculosa" = Crozonorthis musculosa Melou 1976
 Orthida - Heterorthidae
Rostroconchia
 Ribeirioida - Technophoridae
Bivalvia
 Nuculida - Cardiolariidae
Cardiolaria beirensis Sharpe 1853 clam
 Nuculida - Praenuculidae
Praenucula costae Sharpe 1853 clam
 Modiomorphida - Modiomorphidae
Gastropoda
 Bellerophontida - Sinuitidae
Sinuites sp. Koken 1896 snail
 Bellerophontida - Tropidodiscidae
"Tropidodiscus pusillus" = Peruniscus pusillus
"Tropidodiscus pusillus" = Peruniscus pusillus Perner 1903 snail
 Murchisoniina - Eotomariidae
Ptychonema cf. bussacensis Sharpe 1853 snail
 Ichnofossils -
Tisoa sp. de Serres 1840
Planolites sp. Nicholson 1873
Chondrites sp. von Sternberg 1833