Taxa Count: 174
PLECTORTHIDAE
Corineorthis
Cyclocoelia ella
Cyclocoelia sectostriata
Desmorthis
Desmorthis costata
Desmorthis crassus
Desmorthis nevadensis
Desmorthis planus
Doleroides
Doleroides compressus
Doleroides crassus
Doleroides extensus
Doleroides gibbosus
Doleroides irregularis
Doleroides missouriensis
Doleroides oklahomensis
Doleroides panna
Doleroides ponderosus
Doleroides regularis
Doleroides sp 1
Doleroides tennesseensis
Doleroides winchelli
Hebertella
Hebertella (Glyptorthis) insculpta
Hebertella (Glyptorthis) insculpta maquoketensis
Hebertella (Schizonema) fasciata
Hebertella (Schizonema) fissiplica
Hebertella (Schizonema) fissistriata
Hebertella alveata
Hebertella alveata richmondensis
Hebertella alveata-richmondensis
Hebertella bellarugosa
Hebertella borealis
Hebertella frankfortensis
Hebertella latasulcata
Hebertella occidentalis
Hebertella occidentalis montoyensis
Hebertella parksensis
Hebertella sinuata
Hebertella sinuata prestonensis
Hebertella subjugata
Mimella
Mimella biconvexa
Mimella borealis
Mimella costellata
Mimella extensa
Mimella gilberti
Mimella globosa
Mimella globularis
Mimella intermedia
Mimella laticardinia
Mimella nuclea
Mimella nucleoidea
Mimella similis
Mimella sp 1
Mimella sp 2
Mimella sp 3
Mimella subquadrata
Mimella sulcata
Mimella superba
Mimella transversa
Mimella tumida
Mimella ulrichi
Mimella valcourensis
Mimella virginiensis
Mimella vulgaris
Mimella wardellana
Nanorthis
Nanorthis difficilis
Nanorthis hamburgensis
Nanorthis multicostata
Nanorthis putilla
Nanorthis putilla laeviuscula
Nanorthis putilliformis
Nanorthis saltensis
Oligorthis arbucklensis
Platystrophia
Platystrophia acuminata
Platystrophia acutilirata
Platystrophia acutilirata prolongata
Platystrophia acutilirata senex
Platystrophia amoena
Platystrophia amoena longicardinalis
Platystrophia amoena robusta
Platystrophia annieana
Platystrophia attenuata
Platystrophia biforata
Platystrophia biforata dentata
Platystrophia brachynota
Platystrophia clarksvillensis
Platystrophia colbiensis
Platystrophia colbiensis mutata
Platystrophia colbiensis precursor
Platystrophia corryvillensis
Platystrophia crassa
Platystrophia cumingsi
Platystrophia cypha
Platystrophia cypha arcta
Platystrophia cypha bellatula
Platystrophia cypha conradi
Platystrophia cypha tumida
Platystrophia cypha var. conradi
Platystrophia cypha versaillesensis
Platystrophia daytonensis
Platystrophia daytonensis laurelensis
Platystrophia elegantula
Platystrophia elegantula amplisulcata
Platystrophia elegantula triplicata
Platystrophia elkhornensis
Platystrophia equiconvexa
Platystrophia extensa
Platystrophia fernvalensis
Platystrophia fissicostata
Platystrophia foerstei
Platystrophia foerstei ampla
Platystrophia globosa
Platystrophia hermitagensis
Platystrophia juvenis
Platystrophia laticosta
Platystrophia lynx
Platystrophia moritura
Platystrophia morrowensis
Platystrophia nitida
Platystrophia pauciplicata
Platystrophia ponderosa
Platystrophia ponderosa arnheimensis
Platystrophia ponderosa auburnensis
Platystrophia prayi
Platystrophia precedens
Platystrophia precursor
Platystrophia precursor angustata
Platystrophia precursor latiformis
Platystrophia precursor profunda
Platystrophia preponderosa
Platystrophia profundosulcata
Platystrophia profundosulcata hopensis
Platystrophia regularis
Platystrophia reversata
Platystrophia rhynchonelliformis
Platystrophia sheppardi
Platystrophia strigosa
Platystrophia sublaticosta
Platystrophia trentonensis
Platystrophia trentonensis champlainensis
Platystrophia trentonensis perplana
Platystrophia unicostata
Platystrophia unicostata crassiformis
Platystrophia unionensis
Platystrophia uniplicata
Platystrophia uniplicata var. uticana
Platystrophia wallowayi
Plectorthis
Plectorthis australis
Plectorthis compacta
Plectorthis dichotoma
Plectorthis exfoliata
Plectorthis fissicosta
Plectorthis jamesi
Plectorthis lebanonensis
Plectorthis magna
Plectorthis obesa
Plectorthis parva
Plectorthis pennsylvanica
Plectorthis perplexus
Plectorthis ponderosa
Plectorthis punctata
Plectorthis sp 1
Plectorthis sp 2
Plectorthis symmetrica
Plectorthis tenuis
Plectorthis transversa
Plectorthis triplicatella
Plectorthis willisi
Schizophorella