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Pacitrigonia hanetiana

Bivalvia - Trigoniida - Trigoniidae

Taxonomy
Trigonia hanetiana was named by d'Orbigny (1842) [DISTRIBUTION: Late Cretaceous; New Zealand.]. It is not a trace fossil. Its type locality is O32/f8025 [Okarahia Sandstone], which is in a Piripauan coastal sandstone in the Okarahia Sandstone Formation of New Zealand.

It was recombined as Pacitrigonia hanetiana by Cox (1952), Stilwell (1998).

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

Synonymy list
YearName and author
1842Trigonia hanetiana d'Orbigny
1952Pacitrigonia hanetiana Cox
1998Pacitrigonia hanetiana Stilwell p. 54

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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
specieshanetiana(d'Orbigny 1842)

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 hanetiana d'Orbigny 1842
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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: Aberhan et al. 2004, Ros-Franch et al. 2014

Age range: base of the Piripauan to the top of the Early/Lower Maastrichtian or 86.10000 to 66.00000 Ma

Collections (24 total)


Time interval Ma Country or state Original ID and collection number
Piripauan86.1 - 83.6New Zealand Pacitrigonia hanetiana (37312 78363 78364 78367 78368 78369 78371 78373 78374 78386 83515 83516 83519 83520 83521 83524 type locality: 83525)
Campanian83.6 - 72.2New Zealand Pacitrigonia hanetiana (63093)
Campanian - Early/Lower Maastrichtian83.6 - 66.0New Zealand (Chatham Islands) Pacitrigonia hanetiana (3642 3644)
Late/Upper Maastrichtian72.2 - 66.0Chile Pacitrigonia hanetiana (157301)
Maastrichtian72.2 - 66.0Chile Pacitrigonia hanetiana (1314)
Maastrichtian72.2 - 66.0New Zealand Pacitrigonia hanetiana (1341)
Maastrichtian72.2 - 66.0Argentina (Santa Cruz) Pacitrigonia hanetiana (1371)