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Sycostoma

Gastropoda - Neogastropoda - Melongenidae

Taxonomy
Sycostoma was named by Cox (1931) [Sepkoski's age data: K u T Ol Sepkoski's reference number: 614].

It was assigned to Galeodidae by Abbass (1967); to Buccinidae by Adegoke (1977); to Neogastropoda by Sepkoski (2002); to Melongeniinae by Stilwell et al. (2004); and to Melongenidae by Vermeij and Lozouet (2012).

Species
S. (Sycostoma), S. bulbiforme, S. kenawii, S. pyrinota, Sycum americanum, Sycum mucronatum, Sycum stillum
Species lacking formal opinion data
S. americanae, S. bulbus, S. pirenaica, S. pirus, S. pyrus, S. striata, S. subcarinatum, S. texana
Entered
by J. Sepkoski on 2003-01-23; modified by A. Hendy on 2013-04-30

Synonyms
Synonymy list
YearName and author
1840Leiostoma Swainson
1880Sycum Bayle
1922Sycum Woods p. 101
1928Sycum Nagao p. 126
1931Sycostoma Cox
1933Sycum Glibert p. 73
1967Sycostoma Abbass p. 90
1977Sycostoma Adegoke p. 144
2002Sycostoma Sepkoski
2004Sycostoma Stilwell et al. pp. 40, 42
2012Sycostoma Vermeij and Lozouet p. 83

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassCaenogastropoda(Cox 1959)
—Sorbeoconcha(Ponder and Lindberg 1997)
—Hypsogastropoda(Ponder and Lindberg 1997)
superorderLatrogastropodaRiedel 2000
orderNeogastropodaThiele 1929
superfamilyBuccinoidea(Rafinesque 1815)
familyMelongenidaeGill 1867
genusSycostomaCox 1931

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. †Sycostoma Cox 1931
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Subg. †Sycostoma (Sycostoma) Cox 1931
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†Sycostoma bulbiforme Lamarck 1803
†Sycostoma kenawii Abbass 1967
†Sycostoma pyrinota Stilwell et al. 2004
Invalid names: Sycum Bayle 1880 [replaced]
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: base of the Late/Upper Maastrichtian to the top of the Late/Upper Pleistocene or 72.20000 to 0.01170 Ma

Collections (65 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Maastrichtian72.2 - 66.0Chile (Concepcíon) Leiostoma sp. (13309)
Danian66.0 - 61.66Antarctica S. pyrinota (67031)
Danian66.0 - 61.66France S. sp. (20816)
Paleocene66.0 - 56.0USA (California) Neptunea mucronata (11117 11121 190776 190778 190781 190785 190786)
Paleocene66.0 - 56.0Mexico (Baja California Sur) Neptunea mucronata (43762)
Selandian61.66 - 59.24USA (California) Neptunea mucronata (184016) Sycum stillum (215686)
Selandian61.66 - 59.24Nigeria S. jonesi, S. robusta (7791)
Selandian61.66 - 59.24Denmark S. striata (35265 35267)
Selandian61.66 - 59.24Greenland S. sp. (22945)
Middle Paleocene - Late/Upper Paleocene61.66 - 56.0USA (Texas) S. sp. (84651)
Thanetian59.24 - 56.0USA (California) Fasciolaria mucronata (193036 238809 238831 238836) Sycum stillum (239707)
Thanetian59.24 - 56.0Poland S. bulbiforme (27019)
Late/Upper Paleocene - Early/Lower Eocene59.24 - 48.07USA (California) Sycum mucronatum (237469 237470)
Ypresian56.0 - 48.07USA (Texas) S. texana (7788 84337 205533)
Ypresian56.0 - 48.07Spain S. pirenaica (75401)
Ypresian56.0 - 48.07Belgium S. bulbiforme (77608)
Ypresian56.0 - 48.07United Kingdom (England) S. bulbiforme (3266 3267)
Early/Lower Eocene - Middle Eocene56.0 - 37.71United Kingdom (England) S. bulbiforme (3257)
Lutetian48.07 - 41.03France Fusus bulbiformis (184107 184110 184112) S. pirus (171535)
Lutetian48.07 - 41.03Belgium S. bulbiforme (77613)
Lutetian48.07 - 41.03United Kingdom (England) S. bulbiforme (8125) S. pyrus (8047) S. spp. (42113) S. subcarinatum, S. sp., S. bulbiforme (8124)
Lutetian48.07 - 41.03USA (Texas) S. sp. (205417 205440 205503 205537)
Lutetian48.07 - 41.03USA (Alabama) S. americanae (81209)
Middle Eocene48.07 - 37.71Japan S. sp. (71014 71015)
Bartonian41.03 - 37.71United Kingdom (England) S. bulbus, S. pyrus (42636 42639) S. pyrus (42641) S. pyrus, S. bulbiforme (42644)
Bartonian41.03 - 37.71Egypt S. kenawii (2958)
Bartonian41.03 - 37.71USA (Texas) S. sp. (205429)
Bartonian41.03 - 37.71France (Oise) Sycum bulbus, Sycum pirus, Sycum bulbiformis (3494)
Late/Upper Eocene37.71 - 33.9United Kingdom (England) Fusus bulbiformis (39695) S. bulbus, S. pyrus (42640) S. pyrus (42658 42662)
Priabonian37.71 - 33.9Bulgaria (Khaskovo) S. bulbiforme (170995)
Priabonian37.71 - 33.9Bulgaria (Burgas) S. bulbiforme (102230)
Late/Upper Pleistocene0.129 - 0.0117Saudi Arabia S. bulbus (192719 192720)