PBDB Taxon

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

Praescabrotrigonia

Bivalvia - Trigoniida - Pterotrigoniidae

Taxonomy

Praescabrotrigonia was named by Cooper (2015). It is extant. Its type is Trigonia emoryi.

It was assigned to Scabrotrigoniinae by Cooper (2015).

Species

P. bartrami, P. clavigera, P. crenulata, P. crenulifera, P. douvillei, P. emoryi, P. emoryioides, P. hottingeri, P. larteti

Synonymy list

Year	Name and author
2015	Praescabrotrigonia Cooper p. 29

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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)

Rank	Name	Author
infraclass	Heteroconchia	(Gray 1854)
—	Uniomorphi	Gray 1854
—	Unioni	Gray 1854
—	Unionata	Gray 1854
order	Trigoniida	(Dall 1889)
superfamily	Megatrigonioidea	van Hoepen 1929
family	Pterotrigoniidae	van Hoepen 1929
subfamily	Scabrotrigoniinae	Cooper 1989
genus	Praescabrotrigonia

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. Praescabrotrigonia Cooper 2015

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†Praescabrotrigonia bartrami Stephenson 1923

†Praescabrotrigonia clavigera Cragin 1893

†Praescabrotrigonia crenulata Lamarck 1819

†Praescabrotrigonia crenulifera Lycett 1877

†Praescabrotrigonia douvillei El Din 1955

†Praescabrotrigonia emoryi Conrad 1857

†Praescabrotrigonia emoryioides Trechmann 1927

†Praescabrotrigonia hottingeri Freneix 1972

†Praescabrotrigonia larteti Mengaud 1920

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 Early/Lower Albian to the top of the Early/Lower Campanian or 113.20000 to 72.20000 Ma

Collections (28 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Albian	113.2 - 110.1	USA (Texas)	Trigonia emoryi (11300)
Albian	113.2 - 100.5	USA (New Mexico)	Scabrotrigonia emoryi (37561)
Albian	113.2 - 100.5	USA (Kansas)	Scabrotrigonia emoryi (1981 1986 2032 2046 2047 2049 2050 2053 2054 2055 2056)
Late/Upper Albian	106.3 - 100.5	Angola	Trigonia crenulata (210730 210732)
Late/Upper Albian	106.3 - 100.5	USA (Texas)	Trigonia clavigera (52126 65732 65736 65739)
Early/Lower Cenomanian	100.5 - 93.9	USA (Texas)	Trigonia emoryi (88748)
Campanian	83.6 - 72.2	USA (North Carolina)	Scabrotrigonia bartrami (7610 7619 7625)
Early/Lower Campanian	83.6 - 72.2	USA (Delaware)	Scabrotrigonia bartrami (6136)
Early/Lower Campanian - Middle Campanian	83.6 - 72.2	USA (Mississippi)	Scabrotrigonia bartrami (6655 6656 6657 6658)