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Pacitrigonia patagonica

Bivalvia - Trigoniida - Trigoniidae

Taxonomy
Trigonia patagonica was named by Feruglio (1938). It is not extant. Its type locality is Puesto Lefipan, which is in a Maastrichtian terrestrial horizon in the Lefipan Formation of Argentina.

It was recombined as Pacitrigonia patagonica by Cox (1952).

Sister species lacking formal opinion data
P. de-stefanii, P. pampeana

Synonymy list
YearName and author
1937Trigonia patagonica Feruglio
1938Trigonia patagonica Feruglio
1952Pacitrigonia patagonica Cox

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
—UniomorphiGray 1854
—UnioniGray 1854
—UnionataGray 1854
orderTrigoniida(Dall 1889)
superfamilyTrigonioidea(Lamarck 1819)
familyTrigoniidaeLamarck 1819
genusPacitrigoniaMarwick 1932
speciespatagonica(Feruglio 1937)

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.

†Pacitrigonia patagonica Feruglio 1937
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Environment: marinef
Locomotion: fast-movingf
Life habit: shallow infaunalf
Diet: suspension feederf
Vision: blindf
Created: 2025-05-16 13:05:25
Modified: 2025-05-16 13:05:25
Source: f = family
References: Ros-Franch et al. 2014, Aberhan et al. 2004

Age range: Maastrichtian or 72.20000 to 66.00000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Maastrichtian72.2 - 66.0Argentina (Santa Cruz) Pacitrigonia patagonica (1371)
Maastrichtian72.2 - 66.0Argentina (Neuquén) Pacitrigonia patagonica (66649 74019 74020 74022)
Maastrichtian72.2 - 66.0Argentina (Chubut) Pacitrigonia patagonica (1357 74106 74112 74122 74123 74187 74220 74319 231707 240132 240148) Trigonia patagonica (241580 242066)