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Volema (Hemifusus)

Gastropoda - Neogastropoda - Melongenidae

Taxonomy
Hemifusus was named by Swainson (1840) [Sepkoski's age data: T Than R Sepkoski's reference number: 614]. It is extant.

It was reranked as Fusus (Hemifusus) by Gabb (1864); it was reranked as Volema (Hemifusus) by Rosenberg et al. (2006).

It was assigned to Fusus by Gabb (1864); to Buccinidae by Nagao (1928); to Melongenidae by Oostingh (1935); to Neogastropoda by Sepkoski (2002); and to Volema by Rosenberg et al. (2006).

Synonymy list
YearName and author
1840Hemifusus Swainson
1864Fusus (Hemifusus) Gabb figs. pl. 28, fig. 207
1928Hemifusus Nagao p. 125
1935Hemifusus Oostingh p. 86
2002Hemifusus Sepkoski
2006Volema (Hemifusus) Rosenberg et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
subclassCaenogastropoda(Cox 1959)
RankNameAuthor
—Sorbeoconcha(Ponder and Lindberg 1997)
—Hypsogastropoda(Ponder and Lindberg 1997)
superorderLatrogastropodaRiedel 2000
orderNeogastropodaThiele 1929
superfamilyBuccinoidea(Rafinesque 1815)
familyMelongenidaeGill 1867
genusVolemaRöding 1798
subgenusHemifusus(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.

Subg. Volema (Hemifusus) Swainson 1840
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Hemifusus dalli Clark 1915
†Hemifusus lewisiana Weaver 1912
†Hemifusus lincolnensis Van Winkle 1918
†Hemifusus montensis Cox 1930
†Hemifusus sopenahensis Weaver 1912
†Hemifusus tejonensis Weaver 1912
†Hemifusus waringi Dickerson 1914
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: carnivoref
Vision: limitedc
Created: 2009-09-10 08:20:52
Modified: 2009-09-10 10:20:52
Source: f = family, c = class
References: Kiessling 2004, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Thanetian to the top of the Holocene or 59.20000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 56.0 Ma

Collections (39 total)


Time interval Ma Country or state Original ID and collection number
Selandian - Thanetian61.6 - 56.0Pakistan (North-West Frontier) Hemifusus montensis (52132)
Thanetian59.2 - 56.0Poland Hemifusus supramoerchi (27019)
Eocene56.0 - 33.9Japan (Fukuoka) Hemifusus sp. (161438)
Eocene56.0 - 33.9USA (California) Hemifusus lewisiana, Nyctilochus sopenahensis (207113) Nyctilochus sopenahensis (207112)
Lutetian47.8 - 41.3USA (California) Ficopsis cooperiana (8012 94821 200714 200716 200722 200724 200725 200745 200750 200752)
Bartonian41.3 - 38.0USA (Washington) Hemifusus lewisiana, Hemifusus tejonensis (207129) Hemifusus sopenahensis (139020)
Priabonian38.0 - 33.9USA (Oregon) Perse lincolnensis (39000 39003)
Late/Upper Eocene37.2 - 33.9USA (California) Perse lincolnensis (71161 71166 71167 71170 71174 71176)
Miocene23.03 - 5.333Japan Hemifusus sp. (155183)
Langhian15.97 - 13.82Japan Hemifusus mimasakensis (44958)
Pliocene5.333 - 2.588Indonesia Hemifusus colosseus (84532) Hemifusus elongatus (84518) Hemifusus ternatanus (84521)
Pliocene - Pleistocene5.333 - 0.0117Malaysia Hemifusus ternatanus (72096)
Early/Lower Pleistocene2.588 - 0.781Taiwan Hemifusus ternatanus (96273 96276)
Pleistocene2.588 - 0.0117Japan Hemifusus tuba (96970 97028 97029)
Late/Upper Pleistocene0.129 - 0.0117Japan Hemifusus ternatanus (96943 96944)
Holocene0.0117 - 0.0Thailand Hemifusus ternatanus (67930)