Also known as Fagerstrom #6
Where: Ontario, Canada (44.0° N, 81.3° W: paleocoordinates 37.0° S, 27.7° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Formosa Reef Limestone Member (Amherstburg Formation), Eifelian (393.3 - 387.7 Ma)
• "This outcrop has been designated the type section of the Formosa Reef Limestone and has previously been described and illustrated by Stauffer (1915) under the name "Bruder's lime kiln." The present owner of the property adjacent to the road cut, Wm. E. Merchant...said that...the land had never been owned or leased by anyone named Bruder nor had anyone by that name ever operated a quarry or lime kiln at this locality. [From] Stauffer's photograph...[the writer was able to locate landmarks, thus this is the same spot]...Stumm (1951)...[called the place Marchand Quarry]...the name must have arisen by confusion [with Merchant's name]."
•JA: originally entered as Emsian, but the Formosa Reef Limestone is Eifelian (see Edinger et al. 2002)
• member-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; lithified, gray reef rocks and lime mudstone
Size classes: macrofossils, mesofossils
Primary reference: J. A. Fagerstrom. 1961. The fauna of the Middle Devonian Formosa Reef Limestone of southwestern Ontario. Journal of Paleontology 35(1):1-48 [J. Alroy/M. Sommers/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 3845: authorized by John Alroy, entered by Mike Sommers on 10.08.1999, edited by Melanie Hopkins and Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Syringopora hisingeri Billings 1858 tabulate coral | |
Cladopora cryptodens tabulate coral
Cladopora labiosa Billings 1859 tabulate coral
Thamnopora limitaris tabulate coral | |
Favosites goldfussi, Emmonsia emmonsi, Emmonsia cf. bacula, Emmonsia radiciformis, Emmonsia cf. rectangularis
Favosites goldfussi Lecompte 1939 tabulate coral
Emmonsia emmonsi tabulate coral
Emmonsia radiciformis tabulate coral | |
Cystiphylloides sp. Chapman 1893 horn coral | |
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Eridophyllum seriale, Acinophyllum mclareni, Cylindrophyllum cf. elongatum, Cylindrophyllum cf. propinquum
Eridophyllum seriale Milne-Edwards and Haime 1850 horn coral | |
Heliophyllum sp. Hall 1846 horn coral | |
Blothrophyllum sp. Billings 1859 horn coral | |
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Siphonophrentis gigantea horn coral | |
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Stromatoporoidea | |
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Syringostroma probicrenulatum, Syringostroma sherzeri, Syringostroma cylindricum, Syringostroma ambiguum
Syringostroma sherzeri stromatoporoid sponge | |
Anostylostroma arvense stromatoporoid sponge | |
Trilobita | |
"Acanthopyge contusa" = Belenopyge contusa1 Hall and Clarke 1888 trilobite was Echinolichas parallelobatus n. sp.
Echinolichas parallelobatus n. sp. Fagerstrom 1961 trilobite | |
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"Mannopyge halli" = Monodechenella halli1, "Dechenella (Basidechenella) formosensis" = Monodechenella halli, "Proetus (Crassiproetus) crassimarginatus" = Crassiproetus crassimarginatus, "Crassiproetus crassimarginatus" = Crassiproetus crassimarginatus1
"Mannopyge halli" = Monodechenella halli1 Stumm 1953 trilobite gen. nov.; was: Dechenella (Dechenella) ? halli
"Dechenella (Basidechenella) formosensis" = Monodechenella halli Stumm 1953 trilobite subgn. (Basidechenella)
"Proetus (Crassiproetus) crassimarginatus" = Crassiproetus crassimarginatus Hall 1843 trilobite subgn. (Crassiproetus)
"Crassiproetus crassimarginatus" = Crassiproetus crassimarginatus1 Hall 1843 trilobite was: Proetus (Crassiproetus), ssp. brevispinosus, n. ssp.
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Paragastropoda | |
? Procrucibulum sp. Perner 1903 | |
Rostroconchia | |
"Conocardium ohioense" = Hippocardia ohioense, "Conocardium cuneus" = Hoareicardia cunea
"Conocardium ohioense" = Hippocardia ohioense Meek 1871
"Conocardium cuneus" = Hoareicardia cunea Conrad 1840 | |
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Cephalopoda | |
? Exocyrtoceras sp. Flower 1938
Exocyrtoceras minutum Flower 1945 | |
Bivalvia | |
Sanguinolites sp. M'Coy 1844 clam | |
Pterinopecten insons scallop | |
? Mytilidae indet. Rafinesque 1815 mussel Genus A sp. A - originally entered as "? Mytilidae indet."
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Gastropoda | |
Platyceras sp., Platyceras carinatum, Platyceras cf. ammon, Platyceras cf. erectum, "Platyceras dumosum" = Spinyplatyceras dumosum
Platyceras sp. Conrad 1840 snail
Platyceras carinatum Hall 1862 snail
Platyceras cf. ammon Hall 1862 snail
Platyceras cf. erectum Hall 1843 snail | |
"Straparolus minutilineatus n. sp." = Straparollus
"Straparolus minutilineatus n. sp." = Straparollus snail | |
"Elasmonema bellatulum" = Elasmonema bellatula
"Elasmonema bellatulum" = Elasmonema bellatula Hall 1861 snail | |
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"Murchisonia (Hormotomina) linsleyi n. sp." = Hormotomina linsleyi
"Murchisonia (Hormotomina) linsleyi n. sp." = Hormotomina linsleyi Fagerstrom 1961 snail | |
"Mourlonia confertinemilata n. sp." = Pleurorima confertinemilata, ? Mourlonia sp.
"Mourlonia confertinemilata n. sp." = Pleurorima confertinemilata Fagerstrom 1961 snail | |
""Bellerophontoidea" indet." = Bellerophontoidea2
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Stenolaemata | |
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Fistulipora sp. McCoy 1850 | |
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Semicoscinium sp. Prout 1859 | |
Strophomenata | |
Spinulicosta navicella Hall 1857 | |
"Rhytistrophia cooperi" = Leptostrophia (Rhytistrophia)
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Pholidostrophia nacrea, "Strophodonta homolostriata" = Strophomena (Strophodonta), Megastrophia sp., Megastrophia (Megastrophia) proxicostellata
"Strophodonta homolostriata" = Strophomena (Strophodonta) | |
Schuchertella varicostata n. sp.
Schuchertella varicostata n. sp. | |
Rhynchonellata | |
Athyris cora, Athyris minuta n. sp.
Athyris minuta n. sp. | |
Meristella barrisi, Meristella formosensis n. sp., Meristella subrotunda n. sp., "Meristella nasuta" = Meristina nasuta
Meristella formosensis n. sp.
Meristella subrotunda n. sp.
"Meristella nasuta" = Meristina nasuta Conrad 1842 | |
Cranaena romingeri Hall 1863 | |
Atrypa "sp. A" Dalman 1828
Atrypa "sp. B" Dalman 1828 | |
Spirifer "sp. A" Sowerby 1818
Spirifer "sp. B" Sowerby 1818 | |
Metaplasia uniplicata n. sp.
Metaplasia uniplicata n. sp. | |
Fimbrispirifer tricostatus n. sp.
Fimbrispirifer divaricatus Hall 1857 | |
"Elytha formosensis n. sp." = Elita
"Elytha formosensis n. sp." = Elita | |
Stenoscisma sp., "Stenoscisma halli n. sp." = Atribonium halli, "Stenoscisma rhomboidalis" = Atribonium rhomboidale
Stenoscisma sp. Conrad 1839
"Stenoscisma halli n. sp." = Atribonium halli Fagerstrom 1961
"Stenoscisma rhomboidalis" = Atribonium rhomboidale Fagerstrom 1961 | |