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Hemisurcula

Gastropoda - Neogastropoda - Turridae

Taxonomy
Hemisurcula was named by Casey (1904) [Sepkoski's age data: T Than T Eo-l Sepkoski's reference number: 700,794]. It is not extant.

It was assigned to Turridae by Dockery (1980); and to Neogastropoda by Sepkoski (2002).

Species
H. perexilis
Species lacking formal opinion data
H. eosilicata, H. hicoicola, H. hicoricola, H. silicata, H. terus

Synonymy list
YearName and author
1904Hemisurcula Casey
1980Hemisurcula Dockery p. 133
2002Hemisurcula Sepkoski

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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
superfamilyConoidea(Rafinesque 1815)
familyTurridaeSwainson 1840
genusHemisurculaCasey 1904

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. †Hemisurcula Casey 1904
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†Hemisurcula perexilis Aldrich 1886
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 08:09:25
Modified: 2009-09-10 10:09:25
Source: f = family, c = class
References: Kiessling 2004, Hendy et al. 2009

Age range: base of the Danian to the top of the Bartonian or 66.00000 to 37.71000 Ma

Collections (22 total)


Time interval Ma Country or state Original ID and collection number
Danian66.0 - 61.66USA (Texas) H. sp. (205466)
Danian66.0 - 61.66Mexico (Nuevo Leon) H. eosilicata (42895)
Danian66.0 - 61.66Greenland H. sp. (22943)
Selandian61.66 - 59.24Greenland H. sp. (22944)
Selandian - Thanetian61.66 - 56.0USA (Alabama) H. silicata (80367)
Late/Upper Paleocene59.24 - 56.0Mexico (Nuevo Leon) H. eosilicata (42909)
Thanetian59.24 - 56.0USA (Louisiana) H. silicata (98774 98777 98922 99724 101123 101126 105209)
Thanetian59.24 - 56.0USA (Alabama) H. silicata (80495 80621 90818)
Lutetian48.07 - 41.03USA (Texas) H. terus (205521)
Lutetian - Priabonian48.07 - 33.9USA (Mississippi) H. perexilis (1434)
Bartonian41.03 - 37.71USA (Mississippi) H. hicoicola (90707 98468) H. hicoricola (99734) H. perexilis (164232)