Classification of Williams 1962

G. †Robergia Wiman 1905
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Robergia barrandei Nicholson and Etheridge 1879
G. †Elliptoglossa Cooper 1956
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Elliptoglossa rotundata Cooper 1956
G. †Glossella Cooper 1956
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Glossella pulcherrima Reed 1917
G. †Lingulella Salter 1866
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Lingulella amabilis Reed 1917
Lingulella angustior Reed 1917
Lingulella quaestor Reed 1917
G. †Obolus Eichwald 1829
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Obolus audax Reed 1917
Obolus maccullochi Reed 1917
G. †Paterula Barrande 1879
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Paterula balclatchiensis Davidson 1883
G. †Pseudolingula Mickwitz 1909
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G. †Conotreta Walcott 1889
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Conotreta conoidea Reed 1917
Conotreta davidsoni Reed 1917
G. †Orbiculoidea d'Orbigny 1847
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G. †Philhedra Koken 1889
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Philhedra playfairi Reed 1917
G. †Schizambon Walcott 1884
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Schizambon scoticum Davidson 1877
G. †Schizotreta Kutorga 1848
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G. †Trematis Sharpe 1848
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Trematis melliflua Reed 1917
G. †Craniops Hall 1859
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Craniops pararia Williams 1962
G. †Cristiferina Cooper 1956
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Cristiferina cristata Cooper 1956
G. †Cyrtonotella Schuchert and Cooper 1931
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G. †Dalmanella Hall and Clarke 1892
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Dalmanella cheesemani Williams 1962
Dalmanella federata Reed 1917
G. †Dinorthis Hall and Clarke 1892
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G. †Diorthelasma Cooper 1956
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Diorthelasma parvum Cooper 1956
G. †Doleroides Cooper 1930
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Doleroides tennesseensis Cooper 1956
G. †Dolerorthis Schuchert and Cooper 1931
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Dolerorthis rankini Davidson 1883
G. †Eremotoechia Cooper 1956
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Eremotoechia silicica Cooper 1956
G. †Eremotrema Cooper 1956
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Eremotrema gracilis Reed 1917
G. †Fascifera Ulrich and Cooper 1942
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G. †Glyptorthis Foerste 1914
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Glyptorthis balclatchiensis Davidson 1883
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Invalid names: Glyptorthis lapworthi Davidson 1883 [synonym]
G. †Hesperorthis Schuchert and Cooper 1931
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G. †Laticrura Cooper 1956
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Laticrura inconstans Reed 1917
Laticrura pionodema Cooper 1956
G. †Mimella Cooper 1930
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Mimella globularis Cooper 1956
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Multicostella plena Cooper 1956
G. †Nicolella Reed 1917
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G. †Orthambonites Pander 1830
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G. †Oxoplecia Wilson 1913
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Oxoplecia andersoni Reed 1917
Oxoplecia subborealis Davidson 1883
G. †Paucicrura Cooper 1956
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Paucicrura eximia Williams 1962
Paucicrura sila Williams 1962
G. †Paurorthis Schuchert and Cooper 1931
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Paurorthis fasciculata Cooper 1956
Paurorthis longa Cooper 1956
G. †Phragmorthis Cooper 1956
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Phragmorthis buttsi Cooper 1956
G. †Pionodema Foerste 1912
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Pionodema girvanensis Davidson 1868
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Invalid names: Pionodema thomsoni Reed 1917 [synonym]
G. †Platystrophia King 1850
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Platystrophia scotica Williams 1962
G. †Plectorthis Hall and Clarke 1892
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Plectorthis australis Cooper 1956
Plectorthis scotica McCoy 1852
G. †Reuschella Bancroft 1928
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Reuschella americana Cooper 1956
G. †Scaphorthis Cooper 1956
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Scaphorthis virginiensis Cooper 1956
G. †Skenidioides Schuchert and Cooper 1931
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G. †Taphrorthis Cooper 1956
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Taphrorthis aspera Williams 1962
Taphrorthis bellatrix Reed 1917
Taphrorthis peculiaris Cooper 1956
G. †Triplesia Hall 1859
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Triplesia craigensis Reed 1917
G. †Valcourea Raymond 1911
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Valcourea confinis Salter 1849
G. †Anisopleurella Cooper 1956
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G. †Bellimurina Cooper 1956
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G. †Bilobia Cooper 1956
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Bilobia etheridgei Davidson 1883
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Bilobia etheridgei acuta Williams 1962
G. †Bimuria Ulrich and Cooper 1942
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Bimuria buttsi Cooper 1956
Bimuria youngiana Davidson 1870
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Bimuria youngiana recta Williams 1962
G. †Christiania Hall and Clarke 1892
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Christiania bilobata Reed 1917
Christiania perrugata Reed 1945
Christiania sulcata Williams 1962
G. †Craspedelia Cooper 1956
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Craspedelia gabata Williams 1962
Craspedelia marginata Cooper 1956
G. †Cyphomena Cooper 1956
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Cyphomena homostriata Butts 1941
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G. †Dactylogonia Ulrich and Cooper 1942
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Dactylogonia semiglobosina Davidson 1870
G. †Diambonia Cooper and Kindle 1936
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Diambonia anatoli Spjeldnaes 1957
Diambonia discuneata Lamont 1935
G. †Eoplectodonta Kozlowski 1929
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G. †Fardenia Lamont 1935
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Fardenia scalena Williams 1962
G. †Glyptambonites Cooper 1956
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Glyptambonites glyptus Cooper 1956
G. †Glyptomena Cooper 1956
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Glyptomena brumalis Reed 1917
Glyptomena girvanensis Salmon 1942
Glyptomena trippi Williams 1962
Invalid names: Oslomena Spjeldnaes 1957 [synonym]
G. †Isophragma Cooper 1956
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Isophragma extensum Cooper 1956
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G. †Leangella Opik 1933
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Leangella hamari Spjeldnaes 1957
G. †Leptaena Dalman 1828
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Leptaena diademata Williams 1962
Leptaena infrunita Williams 1962
Leptaena ordovicica Cooper 1956
Leptaena strandi Spjeldnaes 1957
G. †Leptellina Ulrich and Cooper 1936
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Leptellina llandeiloensis Davidson 1883
Leptellina rhacta Williams 1962
Leptellina semilunata Williams 1962
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Macrocoelia concentrica Portlock 1843
Macrocoelia macallumi Reed 1917
G. †Microtrypa Wilson 1945
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Microtrypa cassata Williams 1962
G. †Mjoesina Spjeldnaes 1957
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Mjoesina rugata Williams 1962
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Mjoesina rugata plana Williams 1962
G. †Palaeostrophomena Holtedahl 1916
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G. †Ptychoglyptus Willard 1928
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Ptychoglyptus valdari Spjeldnaes 1957
G. †Rafinesquina Hall and Clarke 1892
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Rafinesquina insidiosa Williams 1962
Rafinesquina planulata Cooper 1956
G. †Sericoidea Lindström 1953
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Sericoidea abdita Whittington and Williams 1955
G. †Sowerbyella Jones 1928
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Sowerbyella elusa Williams 1962
G. †Strophomena Rafinesque and De Blainville 1824
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Strophomena deficiens Reed 1917
G. †Titanambonites Cooper 1956
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Titanambonites incertus Williams 1962
G. †Xenambonites Cooper 1956
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Xenambonites revelatus Williams 1962
Xenambonites undosus Cooper 1956
G. †Camerella Billings 1859
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Camerella minuta Cooper 1956
Camerella peachi Davidson 1883
G. †Parastrophina Schuchert and LeVene 1929
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Parastrophina anceps Reed 1944
Parastrophina scotica Davidson 1883
G. †Parastrophinella Schuchert and Cooper 1931
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G. †Porambonites Pander 1830
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G. †Drepanorhyncha Cooper 1956
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Drepanorhyncha calva Williams 1962
G. †Oligorhynchia Cooper 1956
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Oligorhynchia bifurcata Cooper 1956
G. †Rostricellula Ulrich and Cooper 1942
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Rostricellula lapworthi Davidson 1883
G. †Hyattidina Schuchert 1913
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Hyattidina sulcata Williams 1962
G. †Catazyga Hall and Clarke 1893
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Catazyga arcana Williams 1962
G. †Cyclospira Hall and Clarke 1893
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Cyclospira longa Cooper 1956
G. †Idiospira
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Idiospira cuneatella Davidson 1883
Idiospira thomsoni Davidson 1868
G. †Protozyga Hall and Clarke 1893
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Protozyga diversa Reed 1917
Protozyga perplexa Williams 1962
Protozyga rotunda Cooper 1956
G. †Zygospira Hall 1862
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Zygospira orbis Reed 1917
Fm. †Orthotetidae Waagen 1884
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G. †Gacella Williams 1962
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Gacella insolita Williams 1962
Gacella ponderosa Williams 1962
Superfm. †Spiriferacea King 1846
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Invalid names: Aulidospiridae Williams 1962 [empty]
Fm. †Triplesiidae Schuchert 1913
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G. †Epacroplecia Williams 1962
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Epacroplecia grayiae Davidson 1870
Fm. †Orthorhynchulidae Cooper 1956
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G. †Orthorhynchuloides Williams 1962
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G. †Obolellina Billings 1871
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Obolellina dixonensis Cooper 1956
G. †Glyptoglossa Cooper 1956
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Schizambon cuneatum Willard 1928
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Schizambon cuneatum cavatum Williams 1962
Nothorthis tarda Cooper 1956
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Nothorthis tarda lata Williams 1962
Hesperorthis australis Cooper 1956
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Subfm. †Leptelloidinae Cooper 1956
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G. †Anoptambonites Williams 1962
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Anoptambonites grayae Davidson 1883
Sericoidea restricta Hadding 1913
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Invalid names: Sericoidea craigensis Reed 1917 [synonym]
Fm. †Brevicameridae Cooper 1956
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G. †Metacamerella Reed 1917
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