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Trigonodus problematicus

Bivalvia - Trigoniida - Trigonodidae

Taxonomy
Unio problematicus was named by Klipstein (1843).

It was recombined as Cardinia problematica by Hauer (1907); it was recombined as Trigonodus problematicus by Waagen (1907) and Jelen (1989).

Sister species lacking formal opinion data
T. cordilleranus, T. grandis, T. pygmaeus, T. sandbergi, T. singularis, T. wuertembergicus

Synonymy list
YearName and author
1843Unio problematicus Klipstein
1907Cardinia problematica Hauer
1907Trigonodus problematicus Waagen
1989Trigonodus problematicus Jelen p. 44 figs. Pl 3, figs 10,11; pl 4, figs 6-10

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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)
superfamilyTrigonodoideaModell 1942
familyTrigonodidaeModell 1942
genusTrigonodusAlberti 1864
speciesproblematicus(Klipstein 1843)

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.

†Trigonodus problematicus Klipstein 1843
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobileo
Life habit: infaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 12:34:20
Modified: 2004-02-28 14:34:20
Source: o = order, c = class
Reference: Aberhan et al. 2004

Age range: base of the Ladinian to the top of the Julian or 242.00000 to 232.00000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Ladinian242.0 - 237.0Thailand Trigonodus problematicus (44812)
Longobardian242.0 - 235.0Italy (Trentino) Trigonodus problematicus (44953)
Carnian237.0 - 228.0Slovenia Trigonodus problematicus (85149)
Julian235.0 - 232.0Italy (Lombardy) Trigonodus problematicus (85240)
Julian235.0 - 232.0Slovenia Trigonodus problematicus (57097 57098 57099 57102 57104 57108 57109)