PBDB Taxon

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

Squalicorax falcatus

Chondrichthyes - Lamniformes - Anacoracidae

Taxonomy

Corax falcatus was named by Agassiz (1843).

It was recombined as Galeocerdo falcatus by Leidy (1873); it was recombined as Squalicorax falcatus by Applegate (1970), Cappetta (1973), Herman (1977), Thurmond and Jones (1981), Case et al. (1990), Müller and Diedrich (1991), Shimada (1996), Cappetta and Case (1999), Forey et al. (2003), Shimada (2006), Shimada et al. (2006), Shimada and Martin (2008), Guinot et al. (2013), Bice and Shimada (2016), Amalfitano et al. (2020) and Maisch et al. (2021).

Sister species lacking formal opinion data

S. bassanii

Synonyms

Galeocerdo hartvelli was named by Cope (1872).

It was corrected as Galeocerdo hartwellii by Hay (1902); it was synonymized subjectively with Squalicorax falcatus by Shimada et al. (2006).
Corax obliquus was named by Reuss (1845).

It was synonymized subjectively with Squalicorax falcatus by Shimada et al. (2006).
Corax heterodon was named by Reuss (1845).

It was synonymized subjectively with Squalicorax falcatus by Shimada et al. (2006).
Corax elongatus was named by Coquand (1860).

It was synonymized subjectively with Squalicorax falcatus by Shimada et al. (2006); it was recombined as Squalicorax elongatus by Cahuzac et al. (2007).
Corax boreaui was named by Coquand (1860).

It was synonymized subjectively with Squalicorax falcatus by Shimada et al. (2006); it was recombined as Squalicorax boreaui by Cahuzac et al. (2007).

Synonymy list

Year	Name and author
1843	Corax falcatus Agassiz p. 226 figs. Pl 26a, figs 1-15
1845	Corax heterodon Reuss
1845	Corax obliquus Reuss
1860	Corax boreaui Coquand
1860	Corax elongatus Coquand
1872	Galeocerdo hartvelli Cope
1873	Galeocerdo falcatus Leidy p. 301
1889	Corax falcatus Woodward p. 424
1896	Corax falcatus Alessandri p. 722
1902	Corax falcatus Hay p. 309
1902	Galeocerdo hartwellii Hay p. 311
1935	Corax falcatus Dalinkevičius p. 264 figs. Pl 3, figs 63-67
1970	Squalicorax falcatus Applegate p. 393
1973	Squalicorax falcatus Cappetta p. 506 figs. Pl 1, figs 17-27
1977	Squalicorax falcatus Herman p. 105
1981	Squalicorax falcatus Thurmond and Jones p. 57
1990	Squalicorax falcatus Case et al. p. 1088 fig. 10,11
1991	Squalicorax falcatus Müller and Diedrich p. 39
1996	Squalicorax falcatus Shimada p. 10 figs. 5J-L
1999	Squalicorax falcatus Cappetta and Case p. 13 figs. Pl 5, figs 10-12; pl 6, figs 1-3
2003	Squalicorax falcatus Forey et al. p. 227
2006	Squalicorax falcatus Shimada p. 167 fig. 4F
2006	Squalicorax falcatus Shimada et al. p. 10 figs. 8.5-8.9
2007	Squalicorax boreaui Cahuzac et al. p. 22
2007	Squalicorax elongatus Cahuzac et al. p. 23
2008	Squalicorax falcatus Shimada and Martin p. 91 fig. 5B
2013	Squalicorax falcatus Guinot et al. p. 630 figs. 15P-X
2016	Squalicorax falcatus Bice and Shimada p. 178 figs. 4A-J
2020	Squalicorax falcatus Amalfitano et al. p. 267 fig. 5
2021	Squalicorax falcatus Maisch et al. pp. 12, 16 figs. 8A-L

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
class	Chondrichthyes

Rank	Name	Author
subclass	Elasmobranchii	Bonaparte 1838
infraclass	Euselachii	()
—	Neoselachii	Compagno 1977
superorder	Galeomorphii	Compagno 1973
order	Lamniformes	Berg 1958
family	Anacoracidae	Casier 1947
genus	Squalicorax	Whitley 1939
species	falcatus	()

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.

†Squalicorax falcatus Agassiz 1843

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Invalid names: Corax boreaui Coquand 1860 [synonym], Corax elongatus Coquand 1860 [synonym], Corax heterodon Reuss 1845 [synonym], Corax obliquus Reuss 1845 [synonym], Galeocerdo hartwellii Cope 1872 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

marinesubp

Locomotion:

actively mobileo

Life habit:

nektonico

Diet:

carnivoreo

Created:

2009-07-21 07:05:21

Modified:

2009-07-21 09:05:21

Source: o = order, subp = subphylum

References: Carroll 1988, Hendy et al. 2009, Wagner 2023

Age range: base of the Late/Upper Albian to the top of the Early/Lower Maastrichtian or 105.30000 to 66.00000 Ma

Collections (79 total)

Time interval	Ma	Country or state	Original ID and collection number
Albian	113.0 - 100.5	Switzerland	Corax falcatus (2237)
Late/Upper Albian	105.3 - 99.6	Lithuania	Corax falcatus (213710)
Cenomanian	100.5 - 93.9	Germany (Westphalia)	Squalicorax falcatus (210063)
Cenomanian	100.5 - 93.9	United Kingdom (England)	Corax falcatus (81062)
Cenomanian	100.5 - 93.9	USA (Arkansas)	Squalicorax falcatus (223862)
Late/Upper Cretaceous	100.5 - 66.0	USA (Maryland)	Corax falcatus (127182)
Early/Lower Cenomanian	99.6 - 93.5	United Kingdom (England)	Squalicorax falcatus (213567)
Late/Upper Cenomanian	99.6 - 93.5	USA (Kansas)	Squalicorax falcatus (213414 213415 213416 213417 213418 213419)
Late/Upper Cenomanian	99.6 - 93.5	Italy (Treviso)	Squalicorax falcatus (214716)
Late/Upper Cenomanian	99.6 - 93.5	Lithuania	Corax falcatus (213713 213719 213720)
Late/Upper Cenomanian	99.6 - 93.5	USA (South Dakota)	Squalicorax falcatus (117819)
Late/Upper Cenomanian	99.6 - 93.5	Italy	Squalicorax falcatus (214600)
Middle Cenomanian	99.6 - 93.5	USA (Colorado)	Squalicorax falcatus (35429)
Middle Cenomanian	99.6 - 93.5	USA (Kansas)	Squalicorax falcatus (94538 106008)
Middle Cenomanian	99.6 - 93.5	Lebanon	Squalicorax falcatus (124426)
Middle Cenomanian	99.6 - 93.5	Canada (Saskatchewan)	Squalicorax falcatus (52997)
Middle Cenomanian	99.6 - 93.5	United Kingdom (England)	Squalicorax falcatus (213569 213570)
Turonian	93.9 - 89.8	France (Charente)	Squalicorax falcatus (161748)
Turonian	93.9 - 89.8	USA (Kansas)	Squalicorax falcatus (102879)
Turonian	93.9 - 89.8	USA (Montana)	Squalicorax falcatus (215793)
Turonian	93.9 - 89.8	USA (Colorado)	Squalicorax falcatus (179209)
Turonian	93.9 - 89.8	USA (South Dakota)	Squalicorax falcatus (181902)
Turonian - Coniacian	93.9 - 86.3	USA (New Mexico)	Squalicorax falcatus (221290)
Early/Lower Turonian	93.5 - 89.3	USA (Iowa)	Squalicorax falcatus (213400)
Early/Lower Turonian	93.5 - 89.3	USA (Kansas)	Squalicorax falcatus (213384 213385 213386)
Early/Lower Turonian	93.5 - 89.3	Czech Republic	Squalicorax falcatus (90516 90518)
Early/Lower Turonian	93.5 - 89.3	USA (Nebraska)	Squalicorax falcatus (213402)
Late/Upper Turonian	93.5 - 89.3	Brazil (Sergipe)	Squalicorax falcatus (143534 143654)
Late/Upper Turonian	93.5 - 89.3	USA (South Dakota)	Squalicorax falcatus (213291)
Late/Upper Turonian	93.5 - 89.3	USA (Texas)	Squalicorax falcatus (213299)
Middle Turonian	93.5 - 89.3	USA (Kansas)	Squalicorax falcatus (35365 213387 213390 213524)
Middle Turonian	93.5 - 89.3	USA (Nebraska)	Squalicorax falcatus (213389)
Middle Turonian	93.5 - 89.3	USA (Montana)	Squalicorax falcatus (215792)
Middle Turonian	93.5 - 89.3	USA (New Mexico)	Squalicorax falcatus (179267)
Coniacian	89.8 - 86.3	United Kingdom (Northern Ireland)	Squalicorax falcatus (213383)
Coniacian	89.8 - 86.3	Canada (Saskatchewan)	Squalicorax falcatus (23369)
Coniacian - Santonian	89.8 - 83.6	USA (Colorado)	Squalicorax falcatus (227704)
Early/Lower Coniacian	89.3 - 85.8	USA (Kansas)	Squalicorax falcatus (213545 213546 213553 213554 213556)
Santonian	86.3 - 83.6	USA (Alabama)	Squalicorax falcatus (81928)
Santonian	86.3 - 83.6	USA (Kansas)	Squalicorax falcatus (94652)
Santonian	86.3 - 83.6	Japan	Squalicorax falcatus (219963)
Early/Lower Santonian	85.8 - 83.5	Lithuania	Corax falcatus (90733 213712)
Early/Lower Santonian - Middle Santonian	85.8 - 83.5	USA (Georgia)	Squalicorax falcatus (61769)
Late/Upper Santonian - Early/Lower Campanian	85.8 - 70.6	USA (Alabama)	Squalicorax falcatus (81931 81932 81934 81972 82043 82044)
Late/Upper Santonian - Middle Campanian	85.8 - 70.6	USA (Alabama)	Squalicorax falcatus (82045)
Campanian	83.6 - 72.1	USA (Delaware)	Corax falcatus (127191)
Campanian	83.6 - 72.1	Canada (Manitoba)	Squalicorax falcatus (36707 36710)
Campanian	83.6 - 72.1	USA (North Carolina)	Corax falcatus (190550 190553 190554)
Early/Lower Maastrichtian	70.6 - 66.0	Germany	Corax falcatus (213668)
Late/Upper Maastrichtian	70.6 - 66.0	USA (North Carolina)	Corax falcatus (151059)