PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Pterotrigonia vaelsiensis

Bivalvia - Trigoniida - Megatrigoniidae

Taxonomy

Trigonia vaelsiensis was named by Boehm (1884).

It was recombined as Pterotrigonia vaelsiensis by Malchus et al. (1994).

Sister species lacking formal opinion data

P. acabra, P. aliformis, P. angulicostata, P. carinata, P. caudata, P. cazadoriana, P. coihucoensis, P. delafossei, P. dilapsa, P. etheridgei, P. eufalensis, P. hectori, P. hokkaidoana, P. imanishii, P. klamathensis, P. limbata, P. marionensis, P. obsoleta, P. ogawai, P. plicatocostata, P. pocciliformis, P. sabra, P. sakakurai, P. scabricola, P. setosa, P. thoracia, P. tocaimaana, P. tocaimana, P. toyamai, P. windhauseniana, P. yokoyamai, P. dilapsa, P. longiloba, P. moriana, P. ogawai, P. aliformis, P. brevicula, P. cramei, P. datemasamunei, P. etheridgei, P. hokkaidoana, P. pociliformis, P. pocilliformis, P. rogersi, P. sakakurai, P. thomsoni, P. yokoyamai, P. yokoyamai, P. dilapsa, P. ogawai, P. wilckensi, P. windhauseni, P. angulicostata, P. castrovillensis, P. cerulea, P. cricki, P. moriana, P. obsoleta

Synonyms

Lyrodon aliforme was named by Goldfuss (1837).

It was synonymized subjectively with Pterotrigonia vaelsiensis by Malchus et al. (1994).
Trigonia limbata was named by Orbigny (1844).

It was synonymized subjectively with Pterotrigonia vaelsiensis by Malchus et al. (1994).

Synonymy list

Year	Name and author
1837	Lyrodon aliforme Goldfuss
1844	Trigonia limbata Orbigny
1884	Trigonia vaelsiensis Boehm
1994	Pterotrigonia vaelsiensis Malchus et al.

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia
subclass	Autobranchia	(Groblen 1894)
infraclass	Heteroconchia	(Gray 1854)

Rank	Name	Author
—	Uniomorphi	Gray 1854
—	Unioni	Gray 1854
—	Unionata	Gray 1854
order	Trigoniida	(Dall 1889)
superfamily	Myophorelloidea	(Kobayashi 1954)
—	Megatrigonioidae	van Hoepen 1929
—	Megatrigoniitae	van Hoepen 1929
family	Megatrigoniidae	van Hoepen 1929
subfamily	Pterotrigoniinae	van Hoepen 1929
genus	Pterotrigonia	van Hoepen 1929
species	vaelsiensis	(Boehm 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.

†Pterotrigonia vaelsiensis Boehm 1884

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Invalid names: Lyrodon aliforme Goldfuss 1837 [synonym], Trigonia limbata Orbigny 1844 [synonym]

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 Coniacian to the top of the Santonian or 89.80000 to 83.60000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Coniacian - Santonian	89.8 - 83.6	Belgium (Namur)	Pterotrigonia vaelsiensis (51518)