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Liotrigonia

Bivalvia - Trigoniida - Trigoniidae

Taxonomy
Liotrigonia was named by Cox (1952) [Sepkoski's age data: J Sine J Plie-u Sepkoski's reference number: 93]. It is not extant. Its type is Trigonia lingonensis.

It was assigned to Trigoniidae by Cox (1952); to Trigonioida by Sepkoski (2002); and to Myophoriidae by Ros-Franch et al. (2014).

Species
L. lingonensis
Species lacking formal opinion data
L. atirdjakensis, L. hunanensis, L. yanshouensis

Synonymy list
YearName and author
1952Liotrigonia Cox
2002Liotrigonia Sepkoski
2014Liotrigonia Ros-Franch et al.

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

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. †Liotrigonia Cox 1952
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†Liotrigonia lingonensis Dumortier 1869
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 Ladinian to the top of the Pliensbachian or 241.46400 to 184.20000 Ma

Collections (30 total)


Time interval Ma Country or state Original ID and collection number
Ladinian241.464 - 237.0Thailand L. sp. (44812)
Hettangian201.4 - 199.5Canada (Yukon) L. atirdjakensis (34240)
Hettangian201.4 - 199.5Canada (Northwest Territories) L. atirdjakensis (34185)
Early/Lower Sinemurian199.5 - 192.9Germany L. sp. (28887)
Early/Lower Sinemurian199.5 - 192.9China L. hunanensis (59624) L. yanshouensis (59623)
Sinemurian - Pliensbachian199.5 - 184.2Canada (Northwest Territories) L. sp., L. atirdjakensis (34221)
Jamesoni192.9 - 184.2Greenland Trigonia lingonensis (161976 161977 162055 162071 162072 162109 162111 162271 162274)
Pliensbachian192.9 - 184.2Greenland Trigonia lingonensis (161963 161966 161968 161969 161970 161973 161974 161975 162056 162083 162086 162099 162112 162270)