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Metaxia

Gastropoda - Triphoridae

Taxonomy
Metaxia was named by Monterosato (1884) [Sepkoski's age data: T Mi R]. It is extant.

It was assigned to Metaxiinae by Wilson (1993); and to Neotaenioglossa by Sepkoski (2002).

Synonymy list
YearName and author
1884Metaxia Monterosato
1993Metaxia Wilson p. 263
2002Metaxia 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)
superfamilyTriphoroideaGray 1847
familyTriphoridaeGray 1847
subfamilyMetaxiinaeMarshall 1977
genusMetaxiaMonterosato 1884

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. Metaxia Monterosato 1884
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Metaxia convexa Cerpenter 1857
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Invalid names: Metaxia diadema Bartsch 1907 [synonym]
Metaxia metaxae Delle Chiaje 1826
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 08:29:41
Modified: 2009-09-10 10:29:41
Source: f = family, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Aquitanian to the top of the Late/Upper Pleistocene or 23.04000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 20.45 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Aquitanian23.04 - 20.45France M. merignacencis (74861)
Zanclean5.333 - 3.6Italy M. abrupta (73579)
Zanclean5.333 - 3.6United Kingdom (England) Cerithium metaxa (84755)
Early/Lower Pleistocene2.58 - 0.774USA (California) M. convexa (202495) M. sp., M. convexa (202496)
Early/Lower Pleistocene2.58 - 0.774Panama (Bocas) M. sp. (79871)
Pleistocene2.58 - 0.0117USA (California) M. diadema (201624)
Quaternary2.58 - 0.0USA (California) M. diadema (37947)
Middle Pleistocene0.774 - 0.129USA (California) M. convexa (202494) M. diadema (138723)
Late/Upper Pleistocene0.129 - 0.0117Mexico M. diadema (52347)
Late/Upper Pleistocene0.129 - 0.0117USA (California) M. convexa, M. diadema (160361) M. diadema (219029 219030)
Late/Upper Pleistocene0.129 - 0.0117Ecuador M. convexa (96867)