Hombach railway excavation: Pragian, Germany
collected 1999
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Arachnida
- Phalangiotarbida
- Devonotarbidae
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Devonotarbus hombachensis n. gen., n. sp.
Poschmann et al. 2005
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6 specimens | |||||||||
| PWL 2002/5012-LS (ex. 542D), 5013-LS (ex. M 1832), 5014-LS (ex 543-D), 5015-LS (ex 544-D), M1834, M1835 | ||||||||||
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Arachnida
- Trigonotarbida
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Trigonotarbida indet.
(Petrunkevitch 1949)
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4 specimens | |||||||||
| PWL 2002/5016-LS (ex 538-D), 5017 (ex 539-D), 5018-LS (ex 540-D), 5019-LS (ex 541-D) | ||||||||||
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Chasmataspidida
- Diploaspididae
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Diploaspis muelleri n. sp.
Poschmann et al. 2005
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4 specimens | |||||||||
| PWL 202/5020-LS (ex M 1830), 5021-LS (ex M. 1831), 5022-LS (ex 545-D), 5023-LS (ex 546-D) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Germany |
| Coordinates: | 50.6° North, 7.5° East (view map) |
| Paleocoordinates: | 25.7° South, 2.8° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Devonian | Epoch: | Early/Lower Devonian |
| Stage: | Pragian | 10 m.y. bin: | Devonian 1 |
| Key time interval: | Pragian | ||
| Age range of interval: | 410.80000 - 407.60000 m.y. ago |
Stratigraphy
| Formation: | Siegen | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Four main fossiliferous layers; arthropods restricted to layers 1 and 4. Arthropod-bearing strata represent the uppermost lower Siegen Formation (or "Tonschiefer-Schichten"). | |||||
Lithology and environment
| Primary lithology: | lithified "shale" |
| Environment: | marginal marine indet. |
| Geology comments: Deltaic to marginal marine shallow water setting under tidal influence | |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | Collection dates: | 1999 |
| Collection method comments: Repository: Landessammlung fur Naturkunde Rheinland-Pfalz, housed at the Naturhistorisches Museum Mainz | |
Metadata
| Database number: | 152107 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | paleoentomology |
| Created: | 2013-11-07 13:45:37 | Last modified: | 2013-11-07 13:46:07 |
| Access level: | the public | Released: | 2013-11-07 13:45:37 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 48810. | M. Poschmann, L. I. Anderson, and J. A. Dunlop. 2005. Chelicerate arthropods, including the oldest phalangiotarbid arachnid, from the Early Devonian (Siegenian) of the Rhenish Massif, Germany. Journal of Paleontology 79:110-124 [M. Clapham/M. Clapham] |