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Semicassis (Tylocassis) maleaformis

Gastropoda - Cassidae

Taxonomy
Semicassis (Tylocassis) maleaformis was named by Vokes (1938). Its type specimen is Amer. Mus. No. 24679, a shell, and it is not a trace fossil. Its type locality is Springvale (AMNH collection), which is in a Miocene coastal sandstone in Trinidad and Tobago.

Sister species lacking formal opinion data
S. denseplicata, S. tostoma

Synonymy list
YearName and author
1938Semicassis (Tylocassis) maleaformis Vokes p. 24

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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
superfamilyTonnoidea(Suter 1913)
familyCassidaeLatreille 1825
subfamilyPhaliinaeBeu 1981
genusSemicassisMörch 1852
subgenusTylocassis
speciesmaleaformis

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.

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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 07:59:15
Modified: 2009-09-10 09:59:15
Source: f = family, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: Late/Upper Miocene or 11.60800 to 5.33300 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Miocene11.608 - 5.333Trinidad and Tobago Semicassis maleaformis (type locality: 81976)