Fauna II, Mbr. 4 of Luesma Fmn., Guadarrama (Silurian of Spain)

Where: Guadalajara, Spain (40.4° N, 3.7° W: paleocoordinates 61.7° S, 41.1° E)

• coordinate based on nearby landmark

When: Ozarkodina eosteinhornensis conodont zone, Al-4 Member (Alcolea Formation), Pridoli (423.0 - 419.2 Ma)

• "The presence of eosteinhornensis s.l. Biozone conodonts well 400 m below the first fauna described here [i.e. fauna I] confines the pre-Devonian faunas [i.e. I-III and part of IV] to the latest Silurian."

• bed-level stratigraphic resolution

Environment/lithology: marine; sandy shale and silty sandstone

Size class: macrofossils

Primary reference: P. Carls. 1977. Spain. in A. Martisson, ed. The Silurian-Devonian boundary (IUGS, Series A, Number 5). Schweizerbarth'sche, Stuttgart. 143-158 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 13927: authorized by Michael Foote, entered by Michael Foote on 03.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Strophomenata
 Strophomenida - Chonetidae
Chonetidae indet. Bronn 1862
"tiny chonetid O"
 Strophomenida - Strophochonetidae
Protochonetes cf. sp.O Muir-Wood 1962
 Strophomenida - Leptostrophiidae
Leptostrophia sp.B Hall and Clarke 1892
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
"Camarotoechia nucula" = Microsphaeridiorhynchus nucula
"Camarotoechia nucula" = Microsphaeridiorhynchus nucula Sowerby 1839
name in quotes
 Spiriferida - Delthyrididae
? Delthyris sp.U Dalman 1828
 Athyridida - Nucleospiridae
Nucleospira sp.R Hall 1859
Nucleospira sp.T Hall 1859
Trilobita
 Phacopida - Homalonotidae
Homalonotidae indet. Chapman 1890 trilobite