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Helicotomidae
Taxonomy
Helicotominae was named by Wenz (1938).
It was reranked as the family Helicotomidae by Knight et al. (1960), Golikov and Starobogatov (1975), Morris and Cleevely (1981), Wagner (1999), Kosnik (2002), Jeffery (2003) and Bouchet et al. (2005).
It was assigned to Euomphalacea by Kosnik (2002); and to Euomphaloidea by Knight et al. (1960), Golikov and Starobogatov (1975), Morris and Cleevely (1981), Wagner (1999), Jeffery (2003) and Bouchet et al. (2005).
It was reranked as the family Helicotomidae by Knight et al. (1960), Golikov and Starobogatov (1975), Morris and Cleevely (1981), Wagner (1999), Kosnik (2002), Jeffery (2003) and Bouchet et al. (2005).
It was assigned to Euomphalacea by Kosnik (2002); and to Euomphaloidea by Knight et al. (1960), Golikov and Starobogatov (1975), Morris and Cleevely (1981), Wagner (1999), Jeffery (2003) and Bouchet et al. (2005).
Synonymy list
Year | Name and author |
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1960 | Helicotomidae Knight et al. p. 189 |
1975 | Helicotomidae Golikov and Starobogatov p. 208 |
1981 | Helicotomidae Morris and Cleevely |
1999 | Helicotomidae Wagner |
2002 | Helicotomidae Kosnik p. 189 |
2003 | Helicotomidae Jeffery |
2005 | Helicotomidae Bouchet et al. p. 241 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Helicotomidae Wenz 1938
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G. †Amphelissa Etheridge 1921
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†Amphelissa carinatum Heidecker 1959
†Amphelissa isisensis Etheridge, Jr. 1921
G. †Boucotspira Rohr 1980
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†Boucotspira antelopensis Rohr 1996
†Boucotspira carinifer Koken 1896
†Boucotspira fimbriata Rohr 1980
†Boucotspira lamellosus Lindström 1884
†Boucotspira ordovicus Longstaff 1924
†Boucotspira ozawai Kobayashi 1930
†Boucotspira wisbyensis Lindström 1884
G. †Boucotspira Rohr 1980
G. †Helicotoma Salter 1859
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†Helicotoma blodgetti Rohr 1988
†Helicotoma brocki Foerste 1912
†Helicotoma declivis Safford 1869
†Helicotoma gorgonea Billings 1865
†Helicotoma granosa Ulrich and Scofield 1897
†Helicotoma griffinorum Rohr 1980
†Helicotoma marginata Ulrich and Scofield 1897
†Helicotoma miser Billings 1865
†Helicotoma missouriensis Branson 1909
†Helicotoma oriens Perner 1903
†Helicotoma planulata robusta Salter 1859
†Helicotoma planulatoides Ulrich and Scofield 1897
†Helicotoma proserpina Billings 1865
†Helicotoma robinsoni Rohr 1988
†Helicotoma robusta Ulrich and Scofield 1897
†Helicotoma subquadrata Ulrich and Scofield 1897
†Helicotoma superba Koken 1897
†Helicotoma tennesseensis Safford 1869
†Helicotoma tritonia Billings 1865
†Helicotoma umbilicata Ulrich and Scofield 1897
†Helicotoma verticalis Ulrich and Scofield 1897
†Helicotoma whiteavesiana Raymond 1908
G. †Lophonema Purdue and Miser 1916
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†Lophonema abrupta Billings 1859
†Lophonema calphurnia Billings 1865
†Lophonema circumlirata Whitfield 1886
†Lophonema costata Kobayashi 1959
†Lophonema frydai Rohr 1994
†Lophonema orientalia Yü 1961
†Lophonema peccatonica Sardeson 1896
†Lophonema perstriata Billings 1859
†Lophonema taneyensis Cullison 1944
†Lophonema tricarinata Billings 1859
†Lophonema wuhuensis Endo 1935
Invalid names: Polhemia Cullison 1944 [synonym], Walcottoma Rohr 1994 [synonym]
G. †Ophiletina Ulrich and Scofield 1897
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†Ophiletina angularis Ulrich and Scofield 1897
†Ophiletina bromidensis Rohr and Johns 1990
†Ophiletina fausta Sardeson 1896
†Ophiletina shokoriense Kobayashi 1930
†Ophiletina sublaxa Ulrich and Scofield 1897
G. †Palaeomphalus Koken and Perner 1925
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†Palaeomphalus glabra Koken and Perner 1925
†Palaeomphalus obtusangulus Angelin and Lindström 1880
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Invalid names: Palaeomphalus gradata Koken 1896 [synonym], Palaeomphalus immigrata Koken and Perner 1925 [synonym], Palaeomphalus laminosus Koken 1897 [synonym]
†Palaeomphalus olsoni Rohr 1980
G. †Paraviviana Kutassy 1940
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, superf = superfamily, c = class | |||||
References: Bambach et al. 2007, Hendy 2009, Kiessling 2004 |
Age range: base of the Stairsian to the top of the Garantiana or 485.40000 to 167.70000 Ma
Collections (186 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Stairsian | United Kingdom (Scotland) | Oriostoma calphurnia (188684) | |
Tulean - Blackhillsian | USA (Nevada) | Helicotoma sp. (77186) | |
Early/Lower Ordovician | USA (Texas) | Polhemia sp. (293) | |
Jeffersonian | Canada (Newfoundland and Labrador) | Helicotoma proserpina, Helicotoma tritonia (100029) | |
Arenigian | USA (Virginia) | Lophonema sp. (6980) | |
Cassinian | Greenland | Helicotoma indet. (122083) | |
Cassinian | USA (Missouri) | Helicotoma sp., Polhemia n. sp. #6, Lophonema n. sp. #1 (75557) Helicotoma sp., Polhemia sp., Polhemia n. sp. #2 (64612) Lophonema indet., Lophonema n. sp. #2, Lophonema n. sp. #1, Helicotoma n. sp. (75545) Lophonema indet., Polehemia n. sp. #5, Polhemia ? n. sp. #1, Lophonema n. sp. #1 (75521) Lophonema indet., Polehemia sp., Polhemia n. sp. #5, Polhemia n. sp. #4, Polhemia n. sp. #1, Lophonema n. sp. #2, Lophonema n. sp. #1 (75551) Lophonema indet., Polhemia indet., Polhemia n. sp. #1, H. sp., Polhemia n. sp. #3, Polhemia n. sp., Lophonema n. sp. #2, Lophonema n. sp. #1 (75519) Lophonema indet., Polhemia indet., Polhemia n. sp. #3, Lophonema n. sp. #1 (75525) Lophonema indet., Polhemia indet., Polhemia n. sp. #5, Polhemia n. sp. #1, Lophonema n. sp. #1 (75523) Lophonema indet., Polhemia indet., Polhemia n. sp., Helicotomidae indet., Polhemia n. sp. #6, Polhemia n. sp. #3, Lophonema n. sp. #2 (75552) Lophonema indet., Polhemia n. sp. #6, Polhemia n. sp. #4, Polhemia n. sp. #2, Lophonema n. sp. #1, Helicotoma n. sp. (75543) Lophonema indet., Polhemia n. sp., Polhemia n. sp. #1, Lophonema n. sp. #1 (75520) Lophonema n. sp. #1 (75578) Lophonema sp., Polhemia indet. (75550) Polhemia indet., Helicotoma n. sp., Lophonema n. sp. #1 (75559) Polhemia indet., Helicotoma n. sp., Polhemia n. sp. #3, Lophonema n. sp. #2 (75556) Polhemia indet., H. sp., Helicotoma sp., Polhemia n. sp. #6, Polhemia n. sp. #4, Polhemia n. sp. #2, Polhemia n. sp. #1, Lophonema n. sp. #2, Lophonema n. sp. #1 (75547) Polhemia indet., Lophonema sp., Polhemia n. sp. #3, Polhemia n. sp. #1 (75561) Polhemia indet., Polhemia n. sp. #1, Lophonema n. sp. #1 (75555) Polhemia n. sp. #2 (75524) Polhemia n. sp. #3, Lophonema n. sp. #1 (75522) Polhemia taneyensis (56433 56513 56515) | |
Cassinian | Canada (Quebec) | Helicotoma perstriata, Trochonema abruptum (56565) Trochonema tricarinatum (56564) | |
Cassinian | Canada (Newfoundland and Labrador) | Polhemia taneyensis (56152 56153) | |
Cassinian | USA (Vermont) | Euomphalus circumliratus (154944) | |
Arenig | Greenland | Helicotoma indet. (122080 122082 122088 122089) | |
Rangerian | Greenland | Helicotoma sp. indet. (174317) Lophonema taneyensis, Boucotspira antelopensis (174316) | |
Rangerian | USA (Nevada) | Helicotoma sp. (104459) | |
Fennian | Malaysia (Palau Lankawi Island) | Helicotoma costata (56168) | |
Whiterockian | USA (Nevada) | Oriostoma indet. (14232) Trochonema sp. (104449) Trochonemella antelopensis (14238) Walcottoma frydai, Trochonemella antelopensis (14229) | |
Whiterockian | USA (Virginia) | Helicotoma sp. (6984 7102) | |
Middle Ordovician | USA (Alaska) | Helicotoma sp. (101857) | |
Chazyan | Canada (Quebec) | Helicotoma sp. (310) Helicotoma whiteavesiana (155416) | |
Llanvirnian | USA (Virginia) | Ophiletina sp., Helicotoma indet. (33444 33445) Ophiletina sp., Helicotoma sp. (33446 33447 33448) | |
Darriwilian | Australia (Queensland) | Helicotoma sp. (77521 77755 77760) | |
Darriwilian | North Korea | Ophiletina shokoriense, Trochonema ozawai (155060) | |
Darriwilian | China (Liaoning) | Helicotoma wuhuensis (119294) | |
Darriwilian | Australia (Northern Territory) | Helicotoma sp. (77523) | |
Sarka | Czech Republic | Helicotoma sp. (3857) | |
Early/Lower Llandeilo | Norway | Helicotoma sp. (2950) | |
Llanvirn | China (GanSu) | Helicotoma sp. (20765) | |
Llanvirn | South Korea (Kangwon-do) | Helicotoma sp. (56171) | |
Chazy | Canada (Quebec) | Helicotoma umbilicata (172355) | |
Llandeilo | USA (California) | Ophiletina sublaxa (56190) | |
Llandeilo | China (GanSu) | Ophiletina sp. (8556) | |
Keila | Norway (Oslo) | Helicotoma immigrata (155363) | |
Keila - Oandu | Sweden (Dalarne) | Straparollus obtusangulus (73411) | |
Keila - Oandu | Sweden (Dalarna) | Euomphalus obtusangulus (155566) | |
Ashbyan | USA (Virginia) | Helicotoma declivis, Helicotoma tennesseensis, Ophiletina sublaxa (33544 33545 33546 33547) | |
Ashbyan | USA (Tennessee) | Helicotoma declivis, Helicotoma subquadrata, Helicotoma tennesseensis, Ophiletina sublaxa (5327) | |
Blackriveran | Canada (Quebec) | Helicotoma planulata (63816) | |
Blackriveran | Canada (Ontario) | Helicotoma planulata (55999 100354 156592) | |
Blackriveran | USA (Illinois) | Helicotoma planulata (155374) | |
Blackriveran | USA (Illinois, Iowa) | Helicotoma planulata, Ophiletina sublaxa (23614 23615 23617 23619 23620) Ophileta fausta (23612) | |
Blackriveran | USA (Oklahoma) | Oriostoma bromidensis (13814) | |
Blackriveran | USA (Minnesota) | Ophileta fausta (23081 23085 23555) | |
Blackriveran | USA (Wisconsin) | Helicotoma planulata (98349) Helicotoma umbilicata (154948) | |
Blackriveran - Rocklandian | USA (Minnesota) | Helicotoma planulata, Ophiletina sublaxa (23557) | |
Blackriveran - Rocklandian | USA (Illinois, Iowa) | Helicotoma planulata, Ophiletina sublaxa (23621) | |
Caradoc | USA (Wisconsin) | Ophiletina sp. (55474) Ophiletina sublaxa (55651) | |
Caradoc | USA (Georgia) | Helicotoma tennesseensis (33182 33186 33188) | |
Caradoc | USA (California) | Boucotspira fimbriata (69215 69221 69231 69235) Boucotspira fimbriata, Helicotoma griffinorum (69234) Boucotspira fimbriata, Ophiletina sublaxa (69229) Helicotoma griffinorum (69224) Helicotoma griffinorum, Ophiletina sublaxa (69228) | |
Caradocian | USA (Virginia) | Helicotoma granosa (34277 34279 34281 34324 34326 34327 34328) Helicotoma verticalis (34272 34273 34276) | |
Caradocian | Canada (Ontario) | Helicotoma sp. (26274) | |
Chatfieldian | USA (Minnesota) | Ophiletina sublaxa (194137) | |
Chatfieldian | Canada (Ontario) | Helicotoma planulata (26270) Helicotoma sp. (26273) | |
Edenian | USA (Minnesota) | Ophiletina angularis, Ophiletina sublaxa (23588) Ophiletina sublaxa (23597) | |
Edenian | USA (Illinois, Iowa) | Ophiletina angularis, Ophiletina sublaxa (23678) Ophiletina sublaxa (23679 23680) | |
Edenian - Maysvillian | Canada (Nunavut) | Ophileta compacta (99702) | |
Kirkfieldian | Canada (Ontario) | Helicotoma planulata (26192) | |
Rocklandian | USA (Tennessee) | Helicotoma granosa, Helicotoma planulatoides (5346) | |
Rocklandian | USA (Kentucky) | Helicotoma planulatoides (87737 87739) | |
Rocklandian | Canada (Quebec) | Helicotoma planulata (154703) | |
Rocklandian - Kirkfieldian | USA (Minnesota) | Helicotoma planulata, Ophiletina sublaxa (23558) | |
Shermanian | USA (Illinois, Iowa) | Ophiletina angularis (23659 23664 23667 23668 23670) | |
Shermanian | USA (Minnesota) | Ophiletina angularis (23092 23584) | |
Turinian | USA (Illinois) | Helicotoma umbilicata, Ophiletina sublaxa (88007) | |
Turinian | USA (Indiana) | Ophiletina sublaxa (104277) | |
Turinian | Canada (Ontario) | Helicotoma planulata (26175 26188 185429 185460 185474 185475) Helicotoma sp., Helicotoma planulata (26174) | |
Turinian | USA (Missouri) | Helicotoma planulata (181091) Helicotoma tennesseensis, Helicotoma missouriensis (175724) | |
Turinian | Canada (British Columbia) | Ophiletina angularis (192179) | |
Burrellian | United Kingdom (Scotland) | Boucotspira ordovicus (78001 169263) | |
Harnagian | United Kingdom (Scotland) | Euomphalopterus ordovicus (72413) | |
Mohawkian | USA (Minnesota) | Ophiletina angularis (167563) | |
Rawtheyan | United Kingdom (Scotland) | Euomphalopterus ordovicus (73134) | |
Rawtheyan | United Kingdom (England) | Euomphalus subsulcatus (161737) | |
Nabala | Estonia (Harju) | Palaeomphalus gradata (87298) | |
Vormsi | Estonia (Lääne) | Boucotspira carinifer (87307) | |
Vormsi | Estonia (Harju) | Euomphalus laminosus (156588) | |
Maysvillian - Richmondian | USA (Colorado) | Helicotoma sp. (10338) | |
Pirgu | Norway (Ringerike) | Euomphalopterus carinifer (154605) | |
Pirgu | Estonia (Lääne) | Boucotspira carinifer (168719) | |
Pusgillian | China (Shaanxi) | Helicotoma sp. (8538) | |
Richmond | USA (Alaska) | Euomphalopterus alatus (49348) Euomphalopterus sp. (49341) Helicotoma blodgetti (49347) Helicotoma blodgetti, Helicotoma robinsoni (49346) | |
Ashgill | USA (California) | Boucotspira fimbriata, Helicotoma griffinorum, Helicotoma olsoni (69225) | |
Pirgu - Porkuni | Sweden (Dalarne) | Palaeomphalus gradata (73407) | |
Richmondian | Canada (Quebec) | Helicotoma brocki, Helicotoma planulata (172788) | |
Richmondian | USA (Michigan) | Helicotoma brocki (26313 26314) | |
Richmondian | USA (Indiana) | Helicotoma marginata (101552) | |
Richmondian - Ashgill | USA (Ohio) | Helicotoma sp. (394) | |
Porkuni | Estonia (Lääne-Viru) | Helicotoma superba, Palaeomphalus gradata (87313) | |
Sheinwoodian | Sweden (Gotland) | Trochus lamellosus (4661) Trochus visbyensis (13594) Trochus wisbyensis (4010) Trochus wisbyensis, Trochus lamellosus (154965) | |
Givetian | Australia (Queensland) | Austerum carinatum (7189 66489) | |
Subfurcatum - Garantiana | Hungary | Paraviviana sp. (151886) |