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Seguenzioidea

Gastropoda

Synonyms
Synonymy list
YearName and author
1884Seguenzioidea Verril
1897Eucycloidea Koken
1998Seguenzioidea Beesley p. 692
2001Seguenzioidea Todd
2005Seguenzioidea Bouchet et al. p. 244
2010Eucycloidea Bandel p. 436
2010Seguenzioidea Bandel p. 476
2014Seguenzioidea Ferrari p. 568
2014Seguenzioidea Ferrari et al. p. 1176
2017Seguenzioidea Bouchet et al. p. 336
2017Seguenzioidea Cataldo p. 410

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
subclassVetigastropoda(Salvini-Plawen 1980)
superfamilySeguenzioideaVerril 1884
superfamilySeguenzioideaVerril 1884

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.

Superfm. Seguenzioidea Verril 1884
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G. Adeuomphalus Seguenza 1876
Fm. Ancistrobasidae Bandel 2010
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G. †Ancistrobasis Dall 1889
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Fm. Chilodontaidae Wenz 1938
+
G. †Calliovarica Vokes 1939
+
†Calliovarica eocensis Vokes 1939
†Calliovarica oregonensis Hickman 2018
†Calliovarica rangiaotea Stillwell 2014
Subfm. Cataeginae McLean and Quinn 1987
+
G. Cataegis McLean and Quinn 1987
Subfm. Chilodontinae Wenz 1938
+
G. Agathodonta Cossmann 1918
+
†Agathodonta dentigerus d'Orbigny 1843
Invalid names: Agnathodonta Wenz 1938 [objective synonym]
G. †Chilodonta Etallon 1859
+
Subg. †Chilodonta (Chilodonta) Etallon 1862
Subg. †Chilodonta (Odontoturbo) de Loriol 1887
†Chilodonta reticulata Kaim et al. 2014
G. †Chilodontoidea Hudleston 1896
G. †Denticulabrum Sohl 1998
G. †Hudledonta Kiel and Bandel 2001
G. †Wilsoniconcha Wenz 1939
Invalid names: Callotrophinae Hickman and McLean 1990 [empty]
Fm. †Eucyclidae Koken 1896
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G. †Ambercyclus Ferrari et al. 2014
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†Ambercyclus armigerus Lycett 1863
†Ambercyclus bisertus Phillips 1829
†Ambercyclus capitaneus Munster 1844
†Ambercyclus decoratus Martin 1858
†Ambercyclus dilleri Stanton 1895
†Ambercyclus elegans Munster 1844
†Ambercyclus espinosus Ferrari 2009
†Ambercyclus gaudrianus d'Orbigny 1852
†Ambercyclus generalis Munster 1844
†Ambercyclus goniatus Eudes-Deslongchamps 1860
†Ambercyclus isabelensis Ferrari et al. 2014
†Ambercyclus monoliferus Lycett 1863
†Ambercyclus morganensis Stanton 1895
†Ambercyclus murchisoni Münster 1844
+
Invalid names: Amberleya murchisoni Münster 1893 [synonym], Turbo spinusosus Münster 1844 [synonym]
†Ambercyclus obornensis Hudleston 1892
Ambercyclus orbignyanus Hudleston 1893
+
Invalid names: Purpurina ornata Orbigny 1853 [replaced]
†Ambercyclus ornatus Sowerby 1819
†Ambercyclus pagodiformis Hudleston 1892
G. †Amberleya Morris and Lycett 1851
+
†Amberleya acuminata Terquem and Piette 1868
†Amberleya aureliana Cossmann 1899
†Amberleya cuccoensis Fischer et al. 2002
†Amberleya subimbricata d'Orbigny 1850
+
Invalid names: Trochus imbricatus Sowerby 1821 [replaced], Turbo marginatus Zieten 1832 [replaced]
†Amberleya torosa Marwick 1953
†Amberleya zealandica Trechmann 1923
Subfm. †Calliotropinae Hickman and McLean 1990
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G. †Biarmatoidella Gründel 2003
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†Biarmatoidella lorioli Greppin 1898
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Invalid names: Monodonta biarmata Münster 1867 [synonym], Riselloidea biarmata Bosch 1998 [synonym], Riselloidea triarmata Hebert and Deslongchamps 1860 [synonym], Trochus biarmatus Münster 1844 [synonym]
G. †Tuberotropis Gründel et al. 2012
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†Tuberotropis tuberosus Gründel et al. 2012
G. Calliotropis Seguenza 1903
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Subg. †Calliotropis (Riselloidea) Cossmann 1909
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†Calliotropis (Riselloidea) keideli Ferrari et al. 2014
†Riselloidea gigas Pan 1977
†Riselloidea guizhouensis Yu et al. 1974
†Riselloidea tricarinata Douvillé 1916
†Riselloidea vahingensis Brosamlen 1909
Invalid names: Risellopsis Cossmann 1908 [replaced]
†Calliotropis nilssoni Munster 1844
G. †Eucycloidea Hudleston 1887
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†Eucycloidea tenuistria Munster 1844
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Invalid names: Rostellaria nodosa Munster 1844 [synonym], Trochus sedgwicki Munster 1844 [synonym], Trochus subangulatus Munster 1844 [synonym]
G. †Eucyclomphalus von Ammon 1892
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†Eucyclomphalus campiliensis de Stefani 1887
†Eucyclomphalus cupido d'Orbigny 1852
†Eucyclomphalus cupidoformis Anderson 1945
†Eucyclomphalus hierlatzensis von Ammon 1892
G. †Eucycloscala Cossmann 1895
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†Eucycloscala acanticum Uhlig 1881
†Eucycloscala asiatica Batten 1985
†Eucycloscala baltzeri Kittl 1892
†Eucycloscala basistriata Anderson 1975
†Eucycloscala binodosa Münster 1841
†Eucycloscala brunhuberi Schnittmann 1966
†Eucycloscala damesi Kittl 1892
†Eucycloscala exigua Healey 1908
†Eucycloscala leo d'Orbigny 1847
†Eucycloscala medionodosa Batten 1985
†Eucycloscala nitida Dominici 2024
†Eucycloscala obliquicostata Yin and Yochelson 1983
†Eucycloscala praetor Goldfuss 1844
+
Invalid names: Littorina ornata Jeffreys 1865 [synonym], Littorina phillipsii Morris and Lycett 1884 [synonym], Littorina praetor Goldfuss 1909 [synonym], Ooliticia phillipsii Morris and Lycett 1851 [synonym], Turbo ornatus Quenstedt 1853 [synonym], Turbo phillipsii Morris and Lycett 1851 [synonym]
†Eucycloscala spinosa Klipstein 1843
†Eucycloscala spinulosa Klipstein 1843
†Eucycloscala subbisertus d'Orbigny 1849
†Eucycloscala supranodosa Klipstein 1843
†Eucycloscala ultima Ravn 1933
Subfm. †Eucycloscalinae Grundel 2007
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G. †Ooliticia
+
†Ooliticia cossmanni Fischer 1964
G. †Eucyclus Eudes-Deslongchamps 1860
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†Amberleya (Eucyclus) alpina Stoliczka 1861
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Invalid names: Eunema intercingulata Seguenza 1885 [synonym], Eunema laevis Seguenza 1885 [synonym], Eunema sororcula Seguenza 1885 [synonym], Eunema trochiformis Seguenza 1885 [synonym]
†Eucyclus conspersus Tate and Blake 1876
†Eucyclus denticulatus Haas 1953
†Eucyclus dunkeri Goldfuss 1844
†Eucyclus elegans Brosamlen 1909
G. †Gerasimovcyclus Gründel 2005
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G. †Mistelgauia Schulbert and Nützel 2013
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†Mistelgauia monarii Schulbert and Nützel 2013
G. †Neoeunema Bandel 2010
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†Neoeunema tyrolensis Kittl 1891
G. †Trochonodus Nützel et al. 2003
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†Trochonodus iranicus Nützel et al. 2003
†Trochonodus permianus Nützel and Nakazawa 2012
G. †Trypanotrochus Cossmann 1918
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†Trypanotrochus broesamleni Gründel 2007
Invalid names: Amberleyidae Wenz 1938 [synonym], Calliotropidae Hickman and McLean 1990 [synonym], Turcicidae Bandel 2010 [synonym]
Fm. †Laubellidae Cox 1960
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G. †Laubella Kittl 1891
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†Laubella bella Bandel 1991
†Laubella delicata Laube 1868
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Invalid names: Catantostoma triasica Zittel 1882 [synonym]
†Laubella minor Kittl 1891
†Laubella texturata Münster 1841
Fm. Seguenziidae Verril 1884
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Subfm. Asthelysinae Marshall 1991
+
G. Asthelys Quinn 1987
G. Basilissa Watson 1879
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†Basilissa antiqua Riedel 1933
G. †Calliobasis Marshall 1983
Subfm. Davisianinae Egorova 1972
+
G. Davisiana Egorova 1972
Subfm. Guttulinae Goryachev 1987
+
G. Guttula Schepman 1908
G. Oligomeria Galkin and Golikov 1985
G. Putilla Adams 1867
+
Invalid names: Oligomeriinae Egorova 2000 [invalid subgroup], Putillinae Nordsieck 1972 [invalid subgroup]
G. Seguenzia Jeffreys 1876
Subfm. Seguenziinae Verrill 1884
+
G. Fluxinella Marshall 1991
Invalid names: Eucycloidea Koken 1897 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilesuperf
Life habit: epifaunalsuperf
Diet: grazersuperf
Vision: limitedc
Comments: LIFE HISTORY: Grazer on varied substrates according to Todd (2001).superf
Created: 2009-09-10 08:46:29
Modified: 2009-09-10 10:47:18
Source: superf = superfamily, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Kungurian to the top of the Holocene or 279.30000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 272.3 Ma

Collections (733 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Kungurian279.3 - 272.3Malaysia (Perak) Eucycloscala asiatica, Eucycloscala medionodosa (62131)
Wordian266.9 - 264.28Thailand (Ratchaburi) Eucycloscala sp. (40954)
Capitanian264.28 - 259.51Japan Eucycloscala sp., Trochonodus permianus (109667)
Changhsingian254.17 - 252.17Japan Eunemopsis sp. (115236)
Anisian247.2 - 242.0China (Guizhou) Eucycloscala binodosa, Riselloidea guizhouensis (98055)
Anisian247.2 - 242.0China (Gansu) Eunemopsis dolomitica (119265)
Anisian247.2 - 242.0Chile (Atacama) Eucyclus sp. (200772)
Pelsonian247.2 - 242.0China (Guizhou) Eucycloscala indet. (31610)
Pelsonian - Illyrian247.2 - 242.0China (Guizhou) Eucycloscala binodosa, Eucycloscala obliquicostata (44250) Eucycloscala indet., Eucycloscala obliquicostata (31612) Eucycloscala n. sp. A (31617) Eucycloscala obliquicostata (31611 31628 44247) Eucycloscala sp. (31632) Eucycloscala sp., Eucycloscala binodosa (31616) Eucycloscala sp., Eucycloscala indet. (31626) Eucycloscala sp., Eucycloscala indet., Eucycloscala binodosa, Riselloidea guizhouensis, Eucycloscala obliquicostata (31620) Eucycloscala sp., Eucycloscala indet., Eucycloscala obliquicostata (31624) Eucycloscala sp., Eucycloscala obliquicostata (31622) Eucycloscala sp., Riselloidea sp., Eucycloscala binodosa, Eucycloscala obliquicostata (31618 31619 31631) Eucycloscala sp., Riselloidea sp., Eucycloscala binodosa, Riselloidea guizhouensis, Eucycloscala obliquicostata (31625) Eucycloscala sp., Riselloidea sp., Eucycloscala obliquicostata (31621 31623 31627) Eucycloscala spinulosa, Eucycloscala obliquicostata (44252)
Ladinian242.0 - 237.0Peru Eucycloscala exigua (206475)
Ladinian242.0 - 237.0Italy Eunemopsis epaphus, Eunemopsis praecurrens, Cyclonema circumnodosum (138255)
Longobardian242.0 - 235.0Italy Eucycloscala nitida (236003 236004 236005)
Carnian237.0 - 228.0China (Yunnan) Riselloidea gigas (165409)
Carnian237.0 - 228.0Italy (South Tyrol) Clanculus nodosus, Scalaria supranodosa (205149)
Carnian237.0 - 228.0Hungary (Bakony) Eucycloscala binodosa, Eucycloscala spinulosa, Laubella delicata, Eucycloscala supranodosa, Eucycloscala semicancellata, Eucycloscala damesi (203210) Eucycloscala damesi (203197) Eucycloscala margaritata (203199)
Carnian237.0 - 228.0Italy Eucycloscala binodosa, Pseudoclanculus cassianus (164208) Eucycloscala ornata, Eucycloscala binodosa, Pseudoclanculus cassianus, Eunemopsis obliquecostata, Ampezzotrochus rinaldus, Clanculus cassianus (164191)
Julian235.0 - 232.0Italy Eucycloscala binodosa (69650 69655) Eucycloscala binodosa, Sabrinella doris, Eucycloscala spinosa, Ampezzotrochus rinaldus (137435) Eucycloscala biserta, Eucycloscala binodosa, Pseudoclanculus cassianus (69668) Eucycloscala biserta, Eucycloscala sp., Riselloidea damon (69664 202422) Eucycloscala biserta, Pseudoclanculus sp. (69659) Eucycloscala ornata (69676) Eucycloscala ornata, Eucycloscala sp., Eunemopsis dolomitica, Laubella delicata, Eucycloscala damesi (34692 69661) Eucycloscala sp. (69651 69666 69672 69679) Eucycloscala sp., Eucycloscala binodosa (69669) Eucycloscala spinosa, Pseudoclanculus nodosus (163817) Eunemopsis dolomitica, Eunema tyrolensis, Paleunema nodosa, Scalaria damesi (144633) Eunemopsis epaphus (137440 163815) Eunemopsis epaphus, Trochus subbisertus, Clanculus cassianus, Scalaria supranodosa, Microcheilus brauni, Microcheilus minor (144634) Eunemopsis obliquecostata (137436) Eunemopsis obliquecostata, Eucycloscala supranodosa, Eucycloscala baltzeri, Pseudoclanculus nodosus (137437) Laubella delicata, Laubella bella, Laubella minor (137430) Laubella delicata, Laubella minor (137427) Laubella delicata, Paleunema nodosa (144632) Laubella sp., Eunemopsis dolomitica, Laubella delicata, Laubella minor, Scalaria baltzeri, Eunemopsis epaphus, Trochus subbisertus, Worthenia texturata, Paleunema nodosa, Clanculus nodosus, Clanculus cassianus, Scalaria supranodosa, Scalaria binodosa, Scalaria spinosa (144631) Laubella texturata (137424) Microcheilus maxwelli (137439) Monodonta subnodosa, Monodonta gracilis, Monodonta spirata (145649) Monodonta supranodosa (146388) Pseudoclanculus cassianus (69652 69681 69684) Pseudoclanculus nodosus (163816 163818) Pseudoclanculus sp., Pseudoclanculus cassianus (69685) Riselloidea damon (69670 69671) Riselloidea sp., Eucycloscala binodosa (69658) Scalaria baltzeri (144927) Trochus binodosus, Monodonta cassiana, Pleurotomaria texturata, Monodonta nodosa, Pleurotomaria nodosa, Monodonta elegans, Trochus subcostatus (137429)
Tuvalian232.0 - 221.5China (Yunnan) Eucyclus multistriata (165395)
Norian228.0 - 208.5Peru Eucyclus tricarinatus (71780)
Norian228.0 - 208.5Mexico (Sonora) Eucycloscala subbisertus (39172)