Chesathais Petuch, 1988 † (basis of record)
Chesathais biconicus (Dall, 1915) † (status source)
Chesathais donaldasheri Petuch, 1989 † (basis of record)
Chesathais drumcliffensis Petuch, 1989 † (basis of record)
Chesathais ecclesiasticus (Dall, 1915) † (basis of record)
Chesathais lindae Petuch, 1988 † (basis of record)
Chesathais pungoensis Petuch & Berschauer, 2023 † (original description)
Chesathais whitfieldi Petuch, 1989 † (basis of record)
Ecphora (Ecphora) amyae Petuch & Drolshagen, 2010 † represented as Ecphora amyae Petuch & Drolshagen, 2010 † (basis of record)
Ecphora (Ecphora) kochi Ward & Gilinsky, 1988 † represented as Ecphora kochi Ward & Gilinsky, 1988 † (basis of record)
Ecphora (Ecphora) leecreekensis Petuch, 1989 † represented as Ecphora leecreekensis Petuch, 1989 † (basis of record)
Ecphora (Ecphora) mattinglyi Petuch, 2003 † represented as Ecphora mattinglyi Petuch, 2003 † (basis of record)
Ecphora (Ecphora) meganae Ward & Gilinsky, 1988 † represented as Ecphora meganae Ward & Gilinsky, 1988 † (basis of record)
Ecphora (Ecphora) quadricostata (Say, 1824) † represented as Ecphora quadricostata (Say, 1824) † (basis of record)
Ecphora (Ecphora) quadricostata quadricostata (Say, 1824) † represented as Ecphora quadricostata quadricostata (Say, 1824) † (basis of record)
Ecphora (Ecphora) quadricostata rachelae Petuch, 1989 † represented as Ecphora quadricostata rachelae Petuch, 1989 † (basis of record)
Ecphora (Ecphora) quadricostata striatula Petuch, 1986 † represented as Ecphora quadricostata striatula Petuch, 1986 † (basis of record)
Ecphora (Ecphora) roxaneae Petuch, 1991 † represented as Ecphora roxaneae Petuch, 1991 † (basis of record)
Ecphora (Ecphora) roxaneae dalli Petuch & Berschauer, 2023 † represented as Ecphora roxaneae dalli Petuch & Berschauer, 2023 † (basis of record)
Ecphora (Ecphora) sandgatesensis Petuch, 1989 † represented as Ecphora sandgatesensis Petuch, 1989 † (basis of record)
Ecphora (Ecphora) wardi Petuch, 1989 † represented as Ecphora wardi Petuch, 1989 † (basis of record)
Ecphora (Powhatan) Petuch & Berschauer, 2023 † represented as Ecphora Conrad, 1843 † (original description)
Ecphora (Powhatan) calvertensis Petuch, 1988 † represented as Ecphora calvertensis Petuch, 1988 † (basis of record)
Ecphora (Powhatan) chesapeakensis Petuch, 1992 † represented as Ecphora chesapeakensis Petuch, 1992 † (basis of record)
Ecphora (Powhatan) conoyensis Petuch, 2003 † represented as Ecphora conoyensis Petuch, 2003 † (basis of record)
Ecphora (Powhatan) gardnerae S. Wilson, 1987 † represented as Ecphora gardnerae S. Wilson, 1987 † (basis of record)
Ecphora (Powhatan) germonae Ward & Gilinsky, 1988 † represented as Ecphora germonae Ward & Gilinsky, 1988 † (basis of record)
Ecphora (Powhatan) grulkei Petuch & Berschauer, 2023 † represented as Ecphora grulkei Petuch & Berschauer, 2023 † (original description)
Ecphora (Powhatan) pachycostata Petuch, 1989 † represented as Ecphora pachycostata Petuch, 1989 † (basis of record)
Ecphora (Powhatan) whiteoakensis Ward & Gilinsky, 1988 † represented as Ecphora whiteoakensis Ward & Gilinsky, 1988 † (basis of record)
Ecphora (Powhatan) whiteoakensis hopei Petuch, 1991 † represented as Ecphora whiteoakensis hopei Petuch, 1991 † (basis of record)
Ecphora (Powhatan) williamsi Ward & Gilinsky, 1988 † represented as Ecphora williamsi Ward & Gilinsky, 1988 † (basis of record)
Ecphora (Rhombecphora) Petuch & Berschauer, 2023 † represented as Ecphora Conrad, 1843 † (original description)
Ecphora (Rhombecphora) harasewychi Petuch, 1989 † represented as Ecphora harasewychi Petuch, 1989 † (basis of record)
Ecphora (Rhombecphora) rikeri Petuch, 1988 † represented as Ecphora rikeri Petuch, 1988 † (basis of record)
Ecphora quadricostata umbilicata (Dall, 1897) † (basis of record)
Ecphora roxaneae dalli Petuch & Berschauer, 2023 † (original description)
Ecphorosycon Petuch, 1988 † (basis of record)
Ecphorosycon kalyx (Petuch, 1988) † (basis of record)
Ecphorosycon lindajoyceae Petuch, 1993 † (basis of record)
Ecphorosycon pamlico (D. Wilson, 1987) † (basis of record)
Ecphorosycon tampaensis (Dall, 1890) † (basis of record)
Globecphora Petuch, 1994 † (basis of record)
Globecphora floridana (Petuch, 1989) † (basis of record)
Globecphora floridana floridana (Petuch, 1989) † (basis of record)
Globecphora floridana streami Petuch, 1994 † (basis of record)
Globecphora mardieae Petuch & Berschauer, 2023 † (original description)
Globecphora parvicostata (Pilsbry, 1911) † (basis of record)
Latecphora Petuch, 1989 † (basis of record)
Latecphora bradleyae (Petuch, 1987) † (basis of record)
Latecphora hertwecki (Petuch, 1989) † (basis of record)
Latecphora violetae (Petuch, 1988) † (basis of record)
Planecphora Petuch, 2003 † (basis of record)
Planecphora choptankensis (Petuch, 1988) † (basis of record)
Planecphora delicata (Petuch, 1989) † (basis of record)
Planecphora hertweckorum (Petuch, 1987) † (basis of record)
Planecphora mansfieldi (Petuch, 1989) † (basis of record)
Planecphora turneri (Petuch, 1992) † (basis of record)
Planecphora vokesi (Petuch, 1989) † (basis of record)
Siphoecphora Petuch, 1989 † (basis of record)
Siphoecphora aurora (D. Wilson, 1987) † (basis of record)
Siphoecphora gerrardi Petuch & Berschauer, 2023 † (original description)
Trisecphora Petuch, 1988 † (basis of record)
Trisecphora (Eccentrella) Petuch & Berschauer, 2023 † represented as Trisecphora Petuch, 1988 † (original description)
Trisecphora (Eccentrella) chamnessi (Petuch, 1989) † represented as Trisecphora chamnessi (Petuch, 1989) † (basis of record)
Trisecphora (Eccentrella) eccentrica (Petuch, 1989) † represented as Trisecphora eccentrica (Petuch, 1989) † (basis of record)
Trisecphora (Matoaka) Petuch & Berschauer, 2023 † represented as Trisecphora Petuch, 1988 † (original description)
Trisecphora (Matoaka) bartoni Petuch & Drolshagen, 2010 † represented as Trisecphora bartoni Petuch & Drolshagen, 2010 † (basis of record)
Trisecphora (Matoaka) carolinensis (Petuch, 1989) † represented as Trisecphora carolinensis (Petuch, 1989) † (basis of record)
Trisecphora (Matoaka) patuxentia (Petuch, 1988) † represented as Trisecphora patuxentia (Petuch, 1988) † (basis of record)
Trisecphora (Matoaka) prunicola (Petuch, 1989) † represented as Trisecphora prunicola (Petuch, 1988) † (basis of record)
Trisecphora (Matoaka) smithae (Petuch, 1988) † represented as Trisecphora smithae (Petuch, 1988) † (basis of record)
Trisecphora (Recurvecphora) Petuch & Berschauer, 2023 † represented as Trisecphora Petuch, 1988 † (original description)
Trisecphora (Recurvecphora) martini (Petuch, 1988) † represented as Trisecphora martini (Petuch, 1988) † (basis of record)
Trisecphora (Recurvecphora) recurvicostata Petuch & Berschauer, 2023 † represented as Trisecphora recurvicostata Petuch & Berschauer, 2023 † (original description)
Trisecphora (Recurvecphora) schmidti (Petuch, 1989) † represented as Trisecphora schmidti (Petuch, 1989) † (basis of record)
Trisecphora (Trisecphora) Petuch, 1988 † represented as Trisecphora Petuch, 1988 † (basis of record)
Trisecphora (Trisecphora) governorensis Petuch & Berschauer, 2023 represented as Trisecphora governorensis Petuch & Berschauer, 2023 † (basis of record)
Trisecphora (Trisecphora) precursor Petuch & Berschauer, 2023 † represented as Trisecphora precursor Petuch & Berschauer, 2023 † (basis of record)
Trisecphora (Trisecphora) scientistensis (Petuch, 1992) † represented as Trisecphora scientistensis (Petuch, 1992) † (basis of record)
Trisecphora (Trisecphora) tricostata (G. C. Martin, 1904) † represented as Trisecphora tricostata (G. C. Martin, 1904) † (basis of record)
Trisecphora carolinensis (Petuch, 1989) † (new combination reference)
Trisecphora governorensis Petuch & Berschauer, 2023 † (original description)
Trisecphora patuxentia (Petuch, 1988) † (new combination reference)
Trisecphora precursor Petuch & Berschauer, 2023 † (original description)
Trisecphora prunicola (Petuch, 1988) † (new combination reference)
Trisecphora scientistensis (Petuch, 1992) † (basis of record)
Trisecphora shattucki (Petuch, 1989) † (new combination reference)
Trisecphora smithae (Petuch, 1988) † (new combination reference)
Trisecphora tricostata (G. C. Martin, 1904) † (basis of record)