Devils Backbone, Cash Valley: Lochkovian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Rhynchonellata
- Rhynchonellida
- Camarotoechiidae
|
||||||||||
|
Camarotoechia litchfieldensis
|
Clarke and Swartz 1913 | |||||||||
|
Rhynchonellata
- Athyridida
- Meristidae
|
||||||||||
|
Merista typa
|
Clarke and Swartz 1913 | |||||||||
|
Rhynchonellata
- Pentamerida
- Gypidulidae
|
||||||||||
|
Gypidula prognostica
|
Clarke and Swartz 1913 | |||||||||
| Gypidula coeymanensis prognostica | ||||||||||
|
Rhynchonellata
- Spiriferida
- Spiriferidae
|
||||||||||
|
Spirifer octocostatus
|
Clarke and Swartz 1913 | |||||||||
|
Spirifer vanuxemi
|
Clarke and Swartz 1913 | |||||||||
|
Rhynchonellata
- Orthida
- Dalmanellidae
|
||||||||||
|
Dalmanella concinna
|
Clarke and Swartz 1913 | |||||||||
|
Strophomenata
- Orthotetida
- Areostrophiidae
|
||||||||||
|
Orthothetes deformis
Hall 1857
|
||||||||||
| From Maynard 1913 | ||||||||||
|
Strophomenata
- Strophomenida
- Chonetidae
|
||||||||||
|
Chonetes jerseyensis
|
Clarke and Swartz 1913 | |||||||||
|
Strophomenata
- Strophomenida
- Strophonellidae
|
||||||||||
|
Strophonella geniculata
|
Clarke and Swartz 1913 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Maryland |
| Coordinates: | 39.6° North, 78.2° West (view map) | ||
| Paleocoordinates: | 34.1° South, 50.7° West (Wright 2013) | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | basin |
Time
| Period: | Devonian | Epoch: | Early Devonian |
| Stage: | Lochkovian | 10 m.y. bin: | Devonian 1 |
| Key time interval: | Lochkovian | ||
| Age range of interval: | 419.2 - 410.8 m.y. ago |
Stratigraphy
| Geological group: | Helderberg | Formation: | Keyser | Member: | Upper Limestone |
| Local section: | Devils Backbone | Local bed: | 130.0 - 137.0 ft | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | hummocky CS grainstone |
| Lithology description: Massive dark blue limestone | |
| Environment: | reef, buildup or bioherm |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:"Makurath, 1977" | |
Metadata
| Database number: | 219867 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2021-04-24 13:16:05 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2021-04-24 13:16:05 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 44732. | A. L. Stigall Rode. 2005. Systematic revision of the Middle and Late Devonian brachiopods Schizophoria (Schizophoria) and ‘Schuchertella’ from North America. Journal of Systematic Palaeontology 3(2):133-167 [P. Wagner/P. Wagner/P. Wagner] |
Secondary references:
| 15796 | J. M. Clarke and C.K. Swartz. 1913. Systematic paleontology of the Upper Devonian deposits of Maryland. Middle and Upper Devonian 535-720 [P. Wagner/P. Wagner] |