PBDB Taxon

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

Tennessiella

Bivalvia - Trigoniida - Pterotrigoniidae

Taxonomy

Tennessiella was named by Cooper (2015). Its type is Trigonia thoracica.

It was assigned to Scabrotrigoniinae by Cooper (2015).

Species

T. castrovillensis, T. stantoni, T. thoracica (syn. Trigonia mortoni)

Synonymy list

Year	Name and author
2015	Tennessiella Cooper p. 31

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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	Tennessiella

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. †Tennessiella Cooper 2015

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†Tennessiella castrovillensis Stephenson 1941

†Tennessiella stantoni Stephenson 1941

†Tennessiella thoracica Morton 1834

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Invalid names: Trigonia mortoni Whitfield 1885 [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 Early/Lower Campanian to the top of the Early/Lower Maastrichtian or 83.60000 to 66.00000 Ma

Collections (60 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Campanian	83.6 - 72.2	USA (New Jersey)	Trigonia mortoni (88610)
Late/Upper Campanian	83.6 - 72.2	USA (Texas)	Trigonia stantoni (7472 7481 7482 7512)
Late/Upper Campanian	83.6 - 72.2	USA (Tennessee)	Trigonia thoracica (88357)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (New Jersey)	Trigonia mortoni (3870)
Early/Lower Maastrichtian	72.2 - 66.0	USA (Alabama)	Pterotrigonia thoracica (4239 4276)
Early/Lower Maastrichtian	72.2 - 66.0	USA (Mississippi)	Pterotrigonia thoracica (4100)
Early/Lower Maastrichtian	72.2 - 66.0	USA (New Jersey)	Trigonia mortoni (26818)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Mississippi)	Pterotrigonia thoracica (4147 4154 4156 4157 4160 4161 4168 4172)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Maryland)	Pterotrigonia thoracica (4376)
Late/Upper Maastrichtian	72.2 - 66.0	USA (New Jersey)	Trigonia mortoni (124937)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Alabama)	Pterotrigonia thoracica (4180 4183 4186 4194 4197 4198 4200 4201 4202 4213 4214 4215 4216 4225 4228 4231 4232 4234 4236) Scabrotrigonia thoracica (83225) Trigonia thoracica (4189 4193 4203 4204 4205 4206 4207)
Maastrichtian	72.2 - 66.0	USA (Texas)	Trigonia castrovillensis (205408 205541)
Maastrichtian	72.2 - 66.0	USA (Arkansas)	Scabrotrigonia thoracica (1302)
Maastrichtian	72.2 - 66.0	USA (Mississippi)	Scabrotrigonia thoracica (1303 1304 1305)
Maastrichtian	72.2 - 66.0	USA (Alabama)	Pterotrigonia thoracica (4257 4258) Scabrotrigonia thoracica (1306 1307 1308)
Maastrichtian	72.2 - 66.0	USA (Tennessee)	Trigonia thoracica (205445)