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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

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropodaCuvier 1797
subclassOrthogastropoda
superorderVetigastropodaSalvini-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.

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: Kiessling 2004, Hendy et al. 2009

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 (649 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Kungurian279.3 - 272.3Malaysia (Perak) Eucycloscala asiatica, Eucycloscala medionodosa (62131)
Capitanian265.1 - 259.9Japan Eucycloscala sp., Trochonodus permianus (109667)
Changhsingian254.17 - 252.17Japan Eunemopsis sp. (115236)
Anisian247.2 - 242.0China (Gansu) Eunemopsis dolomitica (119265)
Anisian247.2 - 242.0Chile (Atacama) Eucyclus sp. (200772)
Anisian247.2 - 242.0China (Guizhou) Eucycloscala binodosa, Riselloidea guizhouensis (98055)
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 obliquicostata (31611 31628 44247) Eucycloscala sp. (31617 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 - 237.0Italy Eunemopsis epaphus, Eunemopsis praecurrens, Cyclonema circumnodosum (138255)
Carnian237.0 - 228.0China (Yunnan) Riselloidea gigas (165409)
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 damesi, Eucycloscala ornata, Eucycloscala sp., Eunemopsis dolomitica, Laubella delicata (69661) Eucycloscala ornata (69676) Eucycloscala ornata, Eucycloscala damesi, Eucycloscala sp., Eunemopsis dolomitica, Laubella delicata (34692) Eucycloscala sp. (69651 69666 69672 69679) Eucycloscala sp., Eucycloscala binodosa (69669) Eucycloscala spinosa, Pseudoclanculus nodosus (163817) Eunemopsis dolomitica, Eunema tyrolensis, Paleunema nodosa (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)
Norian - Rhaetian228.0 - 201.3Peru Eucycloscala pascoensis (68098 68135 68138) Eucyclus denticulatus (68136)
Lacian221.5 - 215.56China (Yunnan) Eucyclus sp. (165408)
Sevatian212.0 - 205.6Iran Eucycloscala epitoniformis, Riselloidea naybandensis, Riselloidea aliabadensis (37959) Trochonodus iranicus (36869)
Sevatian212.0 - 205.6USA (Idaho) Eucycloscala sp., Eucycloscala binodosa (38377)
Rhaetian208.5 - 201.3Peru Eucycloscala baltzeri, Eucycloscala pascoensis (68096) Eucycloscala pascoensis (68148) Eucyclus denticulatus (68116)