Rough Hollow, Blanco, Archaeoscyphia biostrome: Jeffersonian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Hormogoneae
- Oscillatoriales
- Girvanellaceae
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Girvanella sp.
Nicholson and Etheridge 1878
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Trilobita
- Proetida
- Dimeropygidae
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Pseudohystricurus sp.
Ross 1951
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Trilobita
- Proetida
- Bathyuridae
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Strigigenalis sp.
Whittington and Ross 1953
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"Jeffersonia" granosa
Cullison 1944
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Rostroconchia
- Conocardiida
- Eopteriidae
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Eopteria sp.
Billings 1865
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Gastropoda
- Murchisoniina
- Hormotomidae
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Hormotoma sp.
(Salter 1859)
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Gastropoda
- Euomphalina
- Raphistomatidae
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Ceratopea incurvata
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Ceratopea capuliformis
Oder 1932
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Orospira sp.
Butts 1926
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Gastropoda
- Euomphalina
- Ophiletidae
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Barnesella lecanospiroides
Bridge and Cloud 1947
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| recombined as Lecanospira lecanospiroides | ||||||||||
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Gastropoda
- Sinuopeidae
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Euconia etna
(Billings 1865)
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| entered as Eopteria etna. | ||||||||||
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Cephalopoda
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Cephalopoda indet.
Cuvier 1797
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Cephalopoda
- Tarphycerida
- Tarphyceratidae
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Tarphyceras chadwickense
Ulrich et al. 1942
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Rhynchonellata
- Orthida
- Finkelnburgiidae
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Finkelnburgia cf. cullisoni
Ulrich and Cooper 1936
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| [Finkelnburgia cf. cullisonia] | ||||||||||
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Rhynchonellata
- Pentamerida
- Syntrophiidae
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Xenelasma synthrophioides
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Conodonta
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Conodonta indet.
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Demospongiae
- Anthaspidellidae
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Archaeoscyphia annulata
(Rigby 1973)
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Blanco |
| Coordinates: | 30.3° North, 98.3° West (view map) | ||||
| Paleocoordinates: | 21.4° South, 88.6° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Early/Lower Ordovician |
| 10 m.y. bin: | Ordovician 1-2 | ||
| Key time interval: | Jeffersonian | Trilobite zone: | Hintzeia celsaora |
| Age range of interval: | 485.40000 - 470.00000 m.y. ago |
Stratigraphy
| Geological group: | Ellenburger | Formation: | Honeycut | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: lower 1/3 of the formation (G1 zone) | |||||
Lithology and environment
| Primary lithology: | lithified wackestone |
| Lithology description: thin Archaeoscyphia biostromes | |
| Environment: | reef, buildup or bioherm |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Reef 1822 | ||
| Database number: | 80088 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2008-04-03 00:13:21 | Last modified: | 2012-08-24 22:06:10 |
| Access level: | authorizer only | Released: | 2010-04-03 00:13:21 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 26920. | D. F. Toomey and M. H. Nitecki. 1979. Organic buildups in the Lower Ordovician (Canadian) of Texas and Oklahoma. Fieldiana Geology 2:1-181 [W. Kiessling/U. Merkel] |
Secondary references:
| 15811 | P. E. Cloud and V. E. Barnes. 1948. The Ellenburger Group of central Texas. Texas Bureau of Economic Geology Bulletin 4621:1-471 [P. Wagner/P. Wagner/P. Wagner] |