Main quarries WNW of Craighead Farm, 3 miles from Girvan on Maybole Rd. (Ordovician of the United Kingdom)

Also known as Was: Craighead, Craighead Limestone

Where: Scotland, United Kingdom (55.3° N, 4.9° W: paleocoordinates 20.5° S, 28.5° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Craighead Formation (Ardwell Group), Cheneyan (452.5 - 451.3 Ma)

• Was Harnagian - Cheneyan; however, Candela & Harper (2014) say Early Katian.

• formation-level stratigraphic resolution

Environment/lithology: nodular mudstone

• Nodular to bedded limestones with blue-grey mudstones

Size classes: macrofossils, mesofossils

Reposited in the BMNH

Primary reference: D. Hill. 1953. The Middle Ordovician of the Oslo Region, Norway 2. Some Rugose and Tabulate Corals. Norsk Geologisk Tidsskrift 31:143-170 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164412: authorized by Björn Kröger, entered by Björn Kröger on 02.12.2014, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Lichenariida - Lyoporidae
"Liopora favosa" = Lyopora favosa
"Liopora favosa" = Lyopora favosa McCoy 1850 tabulate coral
Rhynchonellata
 Atrypida - Anazygidae
"Zygospira orbis" = Anazyga orbis4
"Zygospira orbis" = Anazyga orbis4 Reed 1917
 Atrypida - Cyclospiridae
"Protozyga perplexa" = Cyclospira perplexa4
"Protozyga perplexa" = Cyclospira perplexa4 Williams 1962
 Atrypida - Septatrypidae
Idiospira thomsoni4, "Cyclospira carrickensis" = Idiospira carrickensis4
Idiospira thomsoni4 Davidson 1868
"Cyclospira carrickensis" = Idiospira carrickensis4 Reed 1917
 Orthida - Draboviidae
? Fascifera carrickensis4, "Pionodema girvanensis" = Pionodema girvaniensis4
"Pionodema girvanensis" = Pionodema girvaniensis4 Davidson 1868
 Orthida - Linoporellidae
Laticrura inconstans4
 Orthida - Dalmanellidae
Dalmanella federata4, Paucicrura sp.4
Paucicrura sp.4 Cooper 1956
 Orthida - Harknessellidae
Reuschella americana4
Reuschella americana4 Cooper 1956
 Orthida - Plectorthidae
Plectorthis scotica4
Plectorthis scotica4 McCoy 1852
 Orthida - Plaesiomyidae
Dinorthis carrickensis4
 Orthida - Orthidae
"Orthambonites playfairi" = Sulevorthis playfairi4
"Orthambonites playfairi" = Sulevorthis playfairi4 Reed 1917
 Orthida - Glyptorthidae
Glyptorthis balclatchiensis4
 Orthida - Hesperorthidae
Dolerorthis cf. duftonensis4, Hesperorthis craigensis4
 Protorthida - Skenidiidae
Skenidioides craigensis4
 Pentamerida - Porambonitidae
"Porambonites acutiplicata" = Porambonites acutiplicatus4
"Porambonites acutiplicata" = Porambonites acutiplicatus4 Reed 1917
 Pentamerida - Parastrophinidae
"Parastrophina balclatchiensis" = Parastrophina balcletchiensis4, Parastrophinella youngi4
"Parastrophina balclatchiensis" = Parastrophina balcletchiensis4 Davidson 1883
 Pentamerida - Camerellidae
Camerella peachi4
Camerella peachi4 Davidson 1883
 Rhynchonellida - Orthorhynchulidae
"Orthorhynchuloides nasuta" = Orthorhynchuloides nasutus4
"Orthorhynchuloides nasuta" = Orthorhynchuloides nasutus4 McCoy 1852
 Rhynchonellida - Trigonirhynchiidae
Rostricellula aff. ardmillanensis4, Rostricellula lapworthi4
Rostricellula lapworthi4 Davidson 1883
 Rhynchonellida - Ancistrorhynchidae
Drepanorhyncha calva4
Drepanorhyncha calva4 Williams 1962
 Rhynchonellida - Oligorhynchiidae
Oligorhynchia bifurcata4
Strophomenata
 Strophomenida - Sowerbyellidae
Anisopleurella sp.4, "Sowerbyella elusa" = Sowerbyella (Sowerbyella) elusa4, "Eoplectodonta conspicua" = Eoplectodonta (Eoplectodonta) conspicua4
Anisopleurella sp.4 Cooper 1956
"Sowerbyella elusa" = Sowerbyella (Sowerbyella) elusa4 Williams 1962
"Eoplectodonta conspicua" = Eoplectodonta (Eoplectodonta) conspicua4 Reed 1917
 Strophomenida - Christianiidae
Christiania cf. bilobata4
 Strophomenida - Aegiromenidae
Sericoidea aff. restricta4
 Strophomenida - Leptestiidae
Bilobia etheridgei4
Bilobia etheridgei4 Davidson 1883
 Strophomenida - Bimuriidae
Bimuria youngiana4
Bimuria youngiana4 Davidson 1870
 Strophomenida - Hesperomenidae
Anoptambonites grayae4
Anoptambonites grayae4 Davidson 1883
 Strophomenida - Leptellinidae
Palaeostrophomena subfilosa4
 Strophomenida - Strophomenidae
Strophomena lata3
Strophomena lata3 Spjeldnaes 1957
Strophomena norvegica lata
 Strophomenida - Furcitellidae
? Dactylogonia semiglobosina4, "Cyphomena homostriata" = Dactylogonia homostriata4, "Microtrypa cassata" = Trigrammaria cassata4
"Cyphomena homostriata" = Dactylogonia homostriata4 Butts 1941
"Microtrypa cassata" = Trigrammaria cassata4 Williams 1962
 Strophomenida - Rafinesquinidae
Rafinesquina cf. planulata4, "Leptaena diademata" = Leptaena (Leptaena) diademata4
"Leptaena diademata" = Leptaena (Leptaena) diademata4 Williams 1962
 Orthotetida - Chilidiopsidae
Fardenia scalena4
Fardenia scalena4 Williams 1962
 Orthotetida - Triplesiidae
"Epacroplecia grayiae" = Craigella grayiae4, Oxoplecia andersoni4, Oxoplecia subborealis4
"Epacroplecia grayiae" = Craigella grayiae4 Davidson 1870
Oxoplecia andersoni4 Reed 1917
Oxoplecia subborealis4 Davidson 1883
Lingulata
 Acrotretida - Acrotretidae
Conotreta conoidea4
Conotreta conoidea4 Reed 1917
 Lingulida - Discinidae
Schizotreta sp.4, Orbiculoidea stincharensis4
Schizotreta sp.4 Kutorga 1848
 Lingulida - Obolidae
? Glossella "sp. 1"4, "? Obolus maccullochi" = Palaeoglossa maccullochi4, Lingulella "sp. 2"4
? Glossella "sp. 1"4 Cooper 1956
"? Obolus maccullochi" = Palaeoglossa maccullochi4 Reed 1917
Lingulella "sp. 2"4 Salter 1866
 Siphonotretida - Siphonotretidae
"Schizambon scoticum" = Multispinula scotica4
"Schizambon scoticum" = Multispinula scotica4 Davidson 1877
Craniata
 Trimerellida - Trimerellidae
"Obolellina aff. dixonensis" = Eodinobolus dixonensis4
"Obolellina aff. dixonensis" = Eodinobolus dixonensis4 Cooper 1956
 Craniida - Craniidae
? Petrocrania "sp. 3"1
? Petrocrania "sp. 3"1 Raymond 1910
Trilobita
 Proetida - Aulacopleuridae
Harpidella sp.2
Harpidella sp.2 M'Coy 1849 trilobite
1Candela and Harper 2014; 2Owen and Harper 1982; 3Wagner 2020; 4Williams 1962