Zhangmu bed 19: Lochkovian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Spiriferida
- Xenomartiniidae
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Quadrithyrina typica n. sp.
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Rhynchonellata
- Spiriferida
- Reticulariidae
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Reticulariopsis costatus n. sp.
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Rhynchonellata
- Spiriferida
- Adolfiidae
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Nikiforovaena guangxiensis n. sp.
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Rhynchonellata
- Spiriferida
- Cyrtiidae
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Macropleura sinensis n. sp.
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Rhynchonellata
- Atrypida
- Atrypidae
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Spinatrypa sp.
Stainbrook 1951
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Atrypa sp.
Dalman 1828
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Rhynchonellata
- Atrypida
- Atrypinidae
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Spirigerina supramarginalis
(Khalfin 1948)
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Atrypina simpsoni
Johnson 1970
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Rhynchonellata
- Atrypida
- Carinatinidae
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Carinatina prolowtherensis n. sp.
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Carinatina corrumarginata n. sp.
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Rhynchonellata
- Athyridida
- Nucleospiridae
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Nucleospira ventricosa
(Hall 1857)
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Rhynchonellata
- Orthida
- Hesperorthidae
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Dolerorthis zhongnanensis n. sp.
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Rhynchonellata
- Orthida
- Dalmanellidae
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Isorthis sp.
Kozlowski 1929
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Rhynchonellata
- Orthida
- Schizophoriidae
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Schizophoria lianghetangensis n. sp.
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Strophomenata
- Orthotetida
- Pulsiidae
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Schellwienella sp.
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| see common names | |||||||
Geography
| Country: | China | State/province: | Guangxi |
| Coordinates: | 22.0° North, 110.0° East (view map) | ||
| Paleocoordinates: | 5.7° North, 124.6° East | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Devonian | Epoch: | Early/Lower Devonian |
| Stage: | Lochkovian | 10 m.y. bin: | Devonian 1 |
| Key time interval: | Lochkovian | Graptolite zone: | Monograptus hercynicus / Neomonograptus falcarius - Neomonograptus fanicus |
| Age range of interval: | 419.20000 - 410.80000 m.y. ago |
Stratigraphy
| Formation: | Beijuntang | ||||
| Local section: | Zhangmu | Local bed: | 19 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Late Lochkovian. Between Monograptus hercynicus zone (below) and Neomonograptus fanicus - Neomonograptus falcurius zone (above). PJW: Monograptus hercynicus zone directly precedes the Neomonograptus fanicus zone, so I am putting it at both. | |||||
Lithology and environment
| Primary lithology: | black,green,red,yellow mudstone |
| Lithology description: "black, yellowish green and yellowish violet mudstone. Most of the shells are articulated..." | |
| Environment: | marine indet. |
| Geology comments: "The overall environment is deep water and soft substrate." | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | paleoecologic analysis |
| Collection method comments: Numbers of individuals given in Figure 12.3. | |
| Taxonomic list comments:Brachiopods only | |
Metadata
| Also known as: | Reticulariopsis costatus-Nikiforovaena guangxiensis Community | ||
| Database number: | 41058 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2004-07-06 08:20:59 | Last modified: | 2019-09-29 20:44:33 |
| Access level: | the public | Released: | 2004-07-06 08:20:59 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 4289. | Y. Shipu, A. J. Boucot, and C. Wang. 1999. Early Devonian brachiopod and trace fossil communitires from southeastern Guangxi. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities - a case study from the Silurian and Lower Devonian 139-163 [M. Foote/M. Foote/S. Kolbe] |