Sangdong, Dumugol Fm (Ordovician to of South Korea)

Where: South Korea (36.6° N, 128.9° E: paleocoordinates 0.1° N, 139.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Middle Member (Dumugol Formation), Tremadocian to Tremadocian (485.4 - 470.0 Ma)

• Late Tremadocian - Early Floian

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; packstone and grainstone

• Overlie intraclastic skeletal packstone to grainstone, surrounded by intraclastic skeletal packstone to grainstone with lithistid sponge fragments,

•and overlain by lime mudstone with Dissolution seams or limestone-shale alternations.

• intraclastic pack to grainstone, also shale interbeded

Size classes: macrofossils, mesofossils, microfossils

Primary reference: S. -J. Choh, J. Hong, N. Sun, S.-W. Kwon, Tae-Yoon Park, J. Woo, Y. K. Kwon, D. Lee, and D. Lee. 2013. Early Ordovician reefs from the Taebaek Group, Korea: constituents, types, and geological implications. Geosciences Journal 17(2):139-149 [W. Kiessling/M. Krause]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 154800: authorized by Wolfgang Kiessling, entered by Qijian Li on 13.03.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Demospongiae
 Lithistida - Anthaspidellidae
Archaeoscyphia sp.
Archaeoscyphia sp. Hinde 1889 demosponge
unclassified
  -
Pelmatozoa indet.
Pelmatozoa indet. Leuckart 1848
Brachiopoda
 Brachiopoda -
Brachiopoda indet.
Trilobita
  -
Trilobita indet.
Trilobita indet. Walch 1771 trilobite
Epiphyton
  - Ludloviaceae
Epiphyton sp.
Epiphyton sp. Bornemann 1886