PBDB Taxon

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

Laplatasaurus

Reptilia

Taxonomy

Laplatasaurus was named by Huene (1927).

It was synonymized subjectively with Titanosaurus by Powell (2003).

It was assigned to Cetiosaurinae by Kuhn (1939); to Sauropoda by Huene (1958); to Cetiosauridae by Tatarinov (1964); to Atlantosauridae by Bonaparte (1978); to Titanosaurinae by Young (1937), Romer (1956), Steel (1970), Russell et al. (1976), Coombs and Molnar (1981), Sanz (1986), Casanovas et al. (1987); to Titanosauridae by Huene (1927), Huene (1927), Huene (1927), Huene (1929), Stromer (1932), Stromer (1934), Gilmore (1946), Romer (1966), Mones (1972), Powell (1979), Molnar (1980), Bonaparte and Powell (1980), Bonaparte (1984), Carroll (1988), McIntosh (1990), McIntosh (1990), Upchurch (1995), Jacobs et al. (1996), Prasad and Sahni (1999), Mohabey (2001), Salgado and Coria (2005); to Lithostrotia by Upchurch et al. (2004), Otero and Reguero (2013); and to Titanosauria by Gallina and Otero (2015), Gallina and Otero (2015).

Species

L. araukanicus

Synonymy list

Year	Name and author
1927	Laplatasaurus Huene p. 126
1929	Laplatasaurus Huene p. 86
1932	Laplatasaurus Stromer p. 7
1934	Laplatasaurus Stromer p. 64
1937	Laplatasaurus Young p. 22
1939	Laplatasaurus Kuhn p. 89
1946	Laplatasaurus Gilmore p. 30
1956	Laplatasaurus Romer p. 622
1958	Laplatasaurus Huene p. 205
1964	Laplatasaurus Tatarinov p. 547
1966	Laplatasaurus Romer p. 370
1970	Laplatasaurus Steel p. 76
1972	Laplatasaurus Mones p. 29
1976	Laplatasaurus Russell et al.
1978	Laplatasaurus Bonaparte p. 559
1979	Laplatasaurus Powell p. 193
1980	Laplatasaurus Bonaparte and Powell p. 26
1980	Laplatasaurus Molnar p. 137
1981	Laplatasaurus Coombs, Jr. and Molnar p. 356
1984	Laplatasaurus Bonaparte p. 140
1986	Laplatasaurus Sanz p. 86
1987	Laplatasaurus Casanovas et al. p. 100
1988	Laplatasaurus Carroll
1990	Laplatasaurus McIntosh p. 57
1995	Laplatasaurus Upchurch p. 380
1996	Laplatasaurus Jacobs et al. p. 602
1999	Laplatasaurus Prasad and Sahni p. 382
2001	Laplatasaurus Mohabey pp. 482-483
2004	Laplatasaurus Upchurch et al. p. 269
2005	Laplatasaurus Salgado and Coria p. 440
2013	Laplatasaurus Otero and Reguero p. 7
2015	Laplatasaurus Gallina and Otero p. 19

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida

Rank	Name	Author
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Saurischia	()
—	Sauropoda	()
—	Gravisauria
—	Eusauropoda
—	Neosauropoda
—	Macronaria
—	Titanosauriformes
—	Titanosauria
genus	Laplatasaurus

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. †Laplatasaurus Huene 1927

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†Laplatasaurus araukanicus Huene 1927

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

hydroxyapatiteinfrao

Entire body:

yesg

Adult length:

10 to < 100infrao

Adult width:

10 to < 100infrao

Adult height:

10 to < 100infrao

Maximum body mass:

10000 kgg

Minimum body mass:

3000 kgg

Thickness:

thickinfrao

Architecture:

compact or denseinfrao

Form:

sphericalinfrao

Ontogeny:

accretion, modification of partsinfrao

Grouping:

gregariousinfrao

Environment:

terrestrialinfrao

Locomotion:

actively mobileinfrao

Life habit:

ground dwellinginfrao

Diet:

herbivoreinfrao

Reproduction:

oviparousinfrao

Dispersal:

direct/internalinfrao

Dispersal 2:

mobileinfrao

Created:

2005-08-25 06:14:52

Modified:

2005-08-25 08:14:52

Source: g = genus, infrao = infraorder

References: Marsh 1875, Peczkis 1995

Age range: base of the Early/Lower Campanian to the top of the Middle Campanian or 83.50000 to 70.60000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Campanian - Middle Campanian	83.5 - 70.6	Argentina (Río Negro)	L. araukanicus (51573)