PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Hemisinus

Gastropoda - Thiaridae

Taxonomy

Hemisinus was named by Swainson (1840).

It was assigned to Melaniidae by Olsson (1931); to Thiaridae by Harris and Palmer (1947); to Thiarinae by Woodring (1959), Vaught et al. (1989); and to Semisinusinae by Pacaud and Le Renard (1995).

Species

H. (Cubaedomus), H. (Longiverena), H. antiguensis, H. atriformis, H. bituminifer, H. costatus, H. jacksonius, H. kochi, H. pistati, H. septencinctus, H. siliceus, H. sulcatus, H. terebriformis

Species lacking formal opinion data

H. amaras, H. bizonatus, H. bizonatus, H. miralejas, H. siliceus, H. venezuelensis

Synonyms

Aulacostoma was named by Spix in Wagner (1827). It is extant.

It was synonymized subjectively with Hemisinus by Vaught et al. (1989).
Bassistoma was named by Lea (1852). It is extant.

It was synonymized subjectively with Hemisinus by Vaught et al. (1989).
Semisinus was named by Fischer (1885). It is extant.

It was synonymized subjectively with Hemisinus by Vaught et al. (1989).

Synonymy list

Year	Name and author
1827	Aulacostoma Spix in Wagner
1840	Hemisinus Swainson pp. 199-200
1852	Bassistoma Lea
1885	Semisinus Fischer
1931	Hemisinus Olsson p. 83
1947	Hemisinus Harris and Palmer p. 277
1959	Hemisinus Woodring p. 157
1989	Hemisinus Vaught et al. p. 28
1995	Hemisinus Pacaud and Le Renard p. 156

Is something missing? Join the Paleobiology Database and enter the data

Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca

Rank	Name	Author
class	Gastropoda
subclass	Caenogastropoda	(Cox 1959)
superfamily	Cerithioidea	(Férussac 1819)
family	Thiaridae	Troschel 1857
subfamily	Semisinusinae
genus	Hemisinus	Swainson 1840

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. †Hemisinus Swainson 1840

show all | hide all

Subg. Hemisinus (Cubaedomus) Thiele 1928

Subg. †Hemisinus (Longiverena) Pilsbry and Olsson 1935

hide

†Hemisinus (Longiverena) adjuntaensis Vega and Perilliat 1992

†Hemisinus (Longiverena) oeciscus Woodring 1959

†Hemisinus (Longiverena) reticulosus Vega and Perilliat 1992

†Hemisinus antiguensis Brown and Pilsbry 1914

†Hemisinus atriformis Cooke 1919

†Hemisinus bituminifer Cooke 1919

†Hemisinus costatus Cooke 1919

†Hemisinus jacksonius Harris and Palmer 1947

Hemisinus kochi Bernardi 1856

†Hemisinus pistati Cossmann 1907

†Hemisinus septencinctus Roxo 1937

†Hemisinus siliceus Brown and Pilsbry 1914

†Hemisinus sulcatus Conrad 1871

†Hemisinus terebriformis Olsson 1931

Invalid names: Aulacostoma Spix in Wagner 1827 [synonym], Bassistoma Lea 1852 [synonym], Semisinus Fischer 1885 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Environment:

freshwaterf

Locomotion:

actively mobilesuperf

Life habit:

epifaunalsuperf

Diet:

grazersuperf

Vision:

limitedc

Created:

2017-04-17 10:14:32

Modified:

2017-04-17 10:14:32

Source: f = family, superf = superfamily, c = class

References: Kiessling 2004, Bush and Bambach 2015, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Danian to the top of the Late/Upper Pliocene or 66.00000 to 2.58000 Ma
Minimum age of oldest fossil (stem group age): 61.66 Ma

Collections (18 total)

Time interval	Ma	Country or state	Original ID and collection number
Danian	66.0 - 61.66	Belgium	H. bizonatus (22931)
Thanetian	59.24 - 56.0	Poland	H. bizonatus (27018)
Ypresian	56.0 - 48.07	Mexico	H. reticulosus, H. adjuntaensis (144400)
Ypresian	56.0 - 48.07	United Kingdom (England)	H. pistati (3267)
Ypresian - Bartonian	56.0 - 37.71	Cuba	H. costatus, H. bituminifer (75318)
Bartonian	41.03 - 37.71	USA (Louisiana)	H. jacksonius (92374)
Bartonian - Priabonian	41.03 - 33.9	USA (Louisiana)	H. jacksonius (99762)
Priabonian	37.71 - 33.9	USA (Arkansas)	H. jacksonius (16549)
Early/Lower Oligocene	33.9 - 27.3	Peru (Piura)	H. terebriformis (55437)
Early/Lower Oligocene	33.9 - 27.3	Mexico (Nuevo Leon)	H. miralejas (43080 43083)
Late/Upper Oligocene	27.3 - 23.04	Panama	H. oeciscus (42557)
Burdigalian	20.45 - 15.98	Colombia (La Guajira)	Longiverena sp. (158046)
Middle Miocene - Tortonian	15.98 - 7.246	Peru	H. kochi (142956 142975)
Tortonian	11.63 - 7.246	Panama (Darien)	H. sp. (136993)
Tortonian	11.63 - 7.246	Panama (Colon)	H. amaras (145338)
Late/Upper Pliocene	3.6 - 2.58	Venezuela	H. venezuelensis (131210)