Where: Oklahoma (34.7° N, 96.6° W: paleocoordinates 27.1° S, 60.6° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Henryhouse Formation, Ludlow (427.4 - 423.0 Ma)
• Association is known from lower and middle Henryhouse. It is not clear from the text which of these is the source of this collection.
• formation-level stratigraphic resolution
Environment/lithology: deep subtidal ramp; shelly/skeletal marl
•SEP environmental call based on given info
Collection methods: Table 45.48, which gives abundances. I have added Bryozoa indet. and Ostracoda indet., which are mentioned in text but not listed in table. "The Bryozoan parts of this collection could not be relocated for counting..."
Primary reference: T. J. Frest, C. E. Brett, and B. J. Witzke. 1999. Caradocian-Gedinnian echinoderm associations of Central and Eastern North America. Paleocommunities--a case study from the Silurian and Lower Devonian 638-783 [M. Foote/K. Koverman/P. Wagner]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 26823: authorized by Michael Foote, entered by Michael Foote on 05.11.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Crinoidea | |
Pisocrinus (Pisocrinus) spatulus Sea lily
Parapisocrinus tennesseensis Sea lily
Parapisocrinus quinquelobus Ausich and Copper 2010 Sea lily | |
Parazophocrinus callosus Sea lily | |
Synchirocrinus divisus Sea lily | |
Myelodactylus sp. Hall 1852 Sea lily | |
Gissocrinus quadratus Sea lily | |
Euspirocrinus cirratus Sea lily | |
Asaphocrinus densus Sea lily | |
Lecanocrinus (Alnecocrinus) erectus Sea lily | |
Nummicrinus papilloseous Sea lily
Nummicrinus brevis Sea lily | |
Icthyocrinus corbis Sea lily | |
Hexacrinites carinatus Sea lily
Hexacrinites adaensis Sea lily | |
Allocrinus divergens Sea lily | |
Eucalyptocrinites pernodosus Sea lily
Eucalyptocrinites sp. Goldfuss 1831 Sea lily | |
Macrostylocrinus striatus Sea lily | |
Marsupiocrinus stellatus Sea lily | |
Pelidocrinus exiguus Sea lily
Pelidocrinus sp. Frest and Strimple 1981 Sea lily | |
Siphonocrinus dignus Sea lily
Lampterocrinus fatigatus Sea lily | |
Elpidocrinus tuberosus Sea lily
Neoarchaeocrinus necopinus Sea lily | |
Trilobita | |
Kosovopeltis spp. Snajdr 1958 trilobite | |
Ananaspis guttulus trilobite | |
Calymene clavicula trilobite Presumably the same taxon listed as "Diacalymene clavicula (Campbell)" in table 45.49
| |
Cheirurus infensus trilobite | |
Deuteropoda | |
Ostracoda indet. Latreille 1802 ostracod | |
Gastropoda | |
Naticonema sp. Perner 1903 snail | |
Bivalvia | |
Goniophora sp. Phillips 1848 clam | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Chileata | |
Dictyonella gibbosa Hall 1868 | |
Rhynchonellata | |
Isorthis arcuaria Hall and Clarke 1892
Resserella brownsportensis Amsden 1949 | |
Merista oklahomensis Amsden 1953 | |
Strophomenata | |
Lissostrophia (Lissostrophia) cooperi Amsden 1949 | |
Leptaena oklahomensis Amsden 1951 | |
Anthozoa | |
Rugosa indet. horn coral | |
Scyphozoa | |
Metaconularia sp. jellyfish |