PBDB Taxon

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

Fluvionectes sloanae

Osteichthyes - Plesiosauria - Elasmosauridae

Taxonomy

Fluvionectes sloanae was named by Campbell et al. (2021). Its type specimen is TMP 2009.037.0068/1990.046.0001/.0002, a partial skeleton (tooth, posterior cervical vertebral series, the complete pectoral, dorsal, and sacral vertebral series, the anterior half of the caudal vertebral series, ribs, ), and it is a 3D body fossil. Its type locality is Sage Creek Provincial Grazing Reserve (TMP), which is in a Campanian estuary/bay sandstone in the Dinosaur Park Formation of Canada. It is the type species of Fluvionectes.

Synonymy list

Year	Name and author
2021	Fluvionectes sloanae Campbell et al. p. 7

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
class	Osteichthyes
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria

Rank	Name	Author
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
suborder	Sauropterygia
order	Plesiosauria	de Blainville 1835
superfamily	Plesiosauroidea	Welles 1943
family	Elasmosauridae	Cope 1869
genus	Fluvionectes
species	sloanae

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.

†Fluvionectes sloanae Campbell et al. 2021

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Diagnosis

Reference	Diagnosis
J. A. Campbell et al. 2021	Elasmosaurid possessing a boomerang-shaped clavicular arch with an acute anterior process, convex anterolateral margin, posterior margin with a deep embayment on either side, and a pronounced ventral keel, 22 dorsal vertebrae, and anterior dorsal centra with a ventral notch. Other manifest character states include: posterior cervical vertebra with high dorsoventral aspect; three pectoral vertebrae; five sacral vertebrae; scapula with an elongate dorsal ramus; coracoid with an open (non-enclosed) cordiform intercoracoid fenestra; pubis with an anterolateral embayment; and a postaxial supernumerary epipodial facet on the humerus.

Measurements

No measurements are available

Composition:

hydroxyapatiteo

Environment:

marineo

Locomotion:

actively mobileo

Life habit:

aquatico

Depth habitat:

surfaceo

Diet:

carnivoreo

Reproduction:

viviparouso

Created:

2009-07-20 06:05:48

Modified:

2011-08-12 01:58:15

Source: o = order

Reference: Kiessling 2004

Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Campanian	83.6 - 72.2	Canada (Alberta)	Elasmosauridae indet. (type locality: 188996) Fluvionectes sloanae (219546)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	Canada (Alberta)	Cimoliasaurus magnus (142128) Elasmosauridae indet. (142127) Fluvionectes sloanae (219192 219543)