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Surcula mayi

Gastropoda - Neogastropoda - Clavatulidae

Taxonomy
Surcula mayi was named by Hanna and Israelsky (1925). Its type specimen is CAS 1721, a partial shell, and it is a 3D body fossil. Its type locality is CAS Loc. 850, Quebrada Mancora [Negritos Fm], which is in an Eocene marine horizon in the Negritos Formation of Peru.

Sister species lacking formal opinion data
S. inarata, S. miqueli, S. koeneni, S. camposi, Turris djiki

Synonymy list
YearName and author
1925Surcula mayi Hanna and Israelsky figs. pl. 7, fig. 12

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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
superfamilyConoidea(Rafinesque 1815)
familyClavatulidae(Gray 1853)
genusSurculaSchumacher 1817
speciesmayi

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.

†Surcula mayi Hanna and Israelsky 1925
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Diagnosis
ReferenceDiagnosis
G. D. Hanna and M. C. Israelsky 1925Shell thick, broadly fusiform; apical angle 70°; spire less than half as high as body whorl; whorls sharply angulated; fine spiral striations over whole of shell ; strong nodes occur
on angulation of whorls; 15 on body whorl; shoulder somewhat concave; growth lines indistinct on type; aperture ovate; inner lip heavily calloused ; a low, rounded, elongated tooth is present on the columella near the upper termination of the peristome, thus resembling many members of the family Bussidae; canal of moderate length, slightly twisted.
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilesuperf
Life habit: epifaunalsuperf
Diet: carnivoresuperf
Vision: limitedc
Created: 2009-09-10 08:08:14
Modified: 2009-09-10 10:08:14
Source: superf = superfamily, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Early/Lower Eocene to the top of the Early/Lower Oligocene or 55.80000 to 28.40000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Eocene55.8 - 48.6Peru Surcula mayi (type locality: 93759)
Late/Upper Eocene37.2 - 33.9Peru (Piura) Surcula mayi (55432)
Early/Lower Oligocene33.9 - 28.4Peru (Piura) Surcula mayi (55441)