Fauna V, Mbr. 4 of Luesma Fmn., Guadarrama: Helderbergian - Lochkovian, Spain
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Orthida
- Platyorthidae
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Platyorthis ex gr. monnieri
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Rhynchonellata
- Spiriferida
- Spiriferidae
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Howellella mercurii
(Gosselet 1880)
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Bivalvia
- Grammysiidae
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Grammysia sp.
de Verneuil 1847
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Bivalvia
- Ostreida
- Pterineidae
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Actinopteria sp.
Hall 1884
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Trilobita
- Phacopida
- Homalonotidae
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Homalonotidae indet.
Chapman 1890
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| see common names | |||||||
Geography
| Country: | Spain | State/province: | Guadalajara |
| Coordinates: | 40.4° North, 3.7° West (view map) | ||
| Paleocoordinates: | 55.8° South, 37.6° East | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Devonian | Epoch: | Early Devonian |
| 10 m.y. bin: | Devonian 1-2 - Devonian 1 | *Epoch: | Early/Lower Helderberg |
| *International age/stage: | Early/Lower Lochkovian - Middle Lochkovian | ||
| Key time interval: | Helderbergian - Lochkovian | ||
| Age range of interval: | 419.2 - 410.8 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Alcolea | Member: | Al-4 | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "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." "probably the S-D boundary is situated withihn [fauna IV]" | |||||
Lithology and environment
| Primary lithology: | ferruginous,red or brown silty sandstone |
| Secondary lithology: | sandy "shale" |
| Environment: | marine indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 13930 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2002-05-03 06:27:53 | Last modified: | 2006-09-15 15:13:14 |
| Access level: | the public | Released: | 2002-05-03 06:27:53 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6168. | 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] |