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Helisoma

Gastropoda - Heterostropha - Planorbidae

Taxonomy
Helisoma was named by Swainson (1940). It is extant.

It was assigned to Planorbidae by DuBar (1958) and Schultz and Cheatum (1970); to Helisomini by Shoshani et al. (1989); and to Coretini by Bouchet et al. (2005).

Synonymy list
YearName and author
1940Helisoma Swainson
1958Helisoma DuBar p. 297
1970Helisoma Schultz and Cheatum p. 844
1989Helisoma Shoshani et al. p. 435
2005Helisoma Bouchet et al. p. 264

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
orderHeterostropha()
RankNameAuthor
infraclassEuthyneura(Spengel 1881)
—TectipleuraSchrödl et al. 2011
—PanpulmonataJörger et al. 2010
superorderHygrophila(Ferussac 1822)
superfamilyPlanorboideaRafinesque 1815
familyPlanorbidaeRafinesque 1815
subfamilyBulininaeFischer and Crosse 1880
tribeCoretiniGray 1847
genusHelisomaSwainson 1940

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.

G. Helisoma Swainson 1940
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†Helisoma llanerensis Palmer 1945
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Environment: freshwaterf
Locomotion: actively mobilec
Life habit: epifaunalc
Vision: limitedc
Created: 2017-04-17 10:25:20
Modified: 2017-04-17 10:25:20
Source: f = family, c = class
References: Kiessling 2004, Bush and Bambach 2015

Age range

Maximum range based only on fossils: base of the Danian to the top of the Rancholabrean or 66.00000 to 0.01200 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma

Collections (29 total)


Time interval Ma Country or state Original ID and collection number
Danian66.0 - 61.6China (Heilongjiang) H. dongdawusuensis (232155 232166)
Rupelian - Chattian33.9 - 23.03Peru H. sp. (199560 199562)
Early/Lower Miocene - Middle Miocene23.03 - 11.608Peru H. sp. (143010)
Middle Miocene - Tortonian15.97 - 7.246Peru H. sp. (143046)
Pliocene5.333 - 2.588Venezuela (Monagas) Planorbis llanerensis (231184)
Pliocene - Pleistocene5.333 - 0.0117USA (Florida) H. conanta (41749)
Early/Lower Pleistocene2.588 - 0.781USA (Florida) H. conanti, H. disstoni (41501) H. conanti, H. disstoni, H. sp. (41718) H. scalare (80355 80358)
Calabrian1.8 - 0.774USA (Florida) H. conanti (41705)
Irvingtonian1.8 - 0.3USA (Kansas) H. anceps, H. trivolvis (20293)
Middle Pleistocene0.774 - 0.129USA (California) Planorbis trivolvis (138723)
Rancholabrean0.3 - 0.012USA (Michigan) H. sp. (70130)
Late/Upper Pleistocene0.129 - 0.0117USA (California) H. trivolvis (59063 160361 219029 219030)
Late/Upper Pleistocene (late glacial)0.129 - 0.0117Mexico (Mexico) H. sp. (93639)
Late/Upper Pleistocene (late glacial)0.129 - 0.0117Canada (Alberta) H. trivovlus (93556)
Late/Upper Pleistocene0.129 - 0.0117USA (Michigan) H. anceps (63150)
Late/Upper Pleistocene (late glacial)0.129 - 0.0117USA (Ohio) H. anceps (93208)
Late/Upper Pleistocene (late glacial)0.129 - 0.0117USA (Texas) H. trivolvis (93554)
Late/Upper Pleistocene0.129 - 0.0117USA (Kansas) H. lentum, H. anceps (37788)
Late/Upper Pleistocene (high glacial)0.129 - 0.0117USA (Texas) H. anceps, H. trivolvis (93103)
Late/Upper Pleistocene0.129 - 0.0117USA (Florida) H. scalare (80001 80356)