PBDB Taxon

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

Ptychotrygon

Chondrichthyes - Rajiformes - Ptychotrygonidae

Taxonomy

Ptychotrygon was named by Jaekel (1894) [Sepkoski's age data: K Ceno K Camp Sepkoski's reference number: 884].

It was assigned to Batoidea by Case (1978); to Batoidei by Case and Schwimmer (1988); to Sclerorhynchoidei by Zalmout and Mustafa (2001); to Galeomorphii by Sepkoski (2002); to Sclerorhynchidae by Herman (1977), Cicimurri (2003), Shimada et al. (2006); and to Ptychotrygonidae by Kriwet et al. (2009), Bourdon et al. (2011), Cicimurri et al. (2014), Bice and Shimada (2016), Hoganson et al. (2019), Maisch et al. (2021), Guinot et al. (2023).

Species

P. blainensis, P. cuspidata, P. eutawensis, P. geyeri, P. greybullensis, P. henkeli, P. ledouxi, P. mcnultyi, P. pustulata, P. slaughteri, P. striata, P. triangularis, P. vermiculata, P. winni

Species lacking formal opinion data

P. agujaensis, P. boothi, P. chattahoocheensis, P. ellae

Synonyms

Ptychotrygon mcnultyi was named by Meyer (1974).

It was considered a nomen nudum by Kriwet et al. (2009).

Synonymy list

Year	Name and author
1894	Ptychotrygon Jaekel
1974	Ptychotrygon mcnultyi Meyer
1977	Ptychotrygon Herman p. 296
1978	Ptychotrygon Case p. 197
1988	Ptychotrygon Case and Schwimmer p. 295
2001	Ptychotrygon Zalmout and Mustafa pp. 401-403 figs. 7-8, plate 5
2002	Ptychotrygon Sepkoski
2003	Ptychotrygon Cicimurri p. 11 figs. 5, M
2006	Ptychotrygon Shimada et al. p. 18
2009	Ptychotrygon Kriwet et al. p. 333
2011	Ptychotrygon Bourdon et al. p. 31
2014	Ptychotrygon Cicimurri et al. pp. 21-23 fig. 14
2016	Ptychotrygon Bice and Shimada p. 183
2019	Ptychotrygon Hoganson et al. p. 38
2021	Ptychotrygon Maisch et al. p. 18
2023	Ptychotrygon Guinot et al. pp. 10-11 figs. 5P-T

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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	Batomorphii
order	Rajiformes	Berg 1940
suborder	Sclerorhynchoidei
family	Ptychotrygonidae
genus	Ptychotrygon	Jaekel 1894

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. †Ptychotrygon Jaekel 1894

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†Ptychotrygon blainensis Case 1978

†Ptychotrygon cuspidata Cappetta and Case 1975

†Ptychotrygon eutawensis Case et al. 2001

†Ptychotrygon geyeri Kriwet 1999

†Ptychotrygon greybullensis Case 1987

†Ptychotrygon henkeli Werner 1989

†Ptychotrygon ledouxi Cappetta 1973

†Ptychotrygon pustulata Kriwet et al. 2009

†Ptychotrygon slaughteri Cappetta and Case 1975

†Ptychotrygon striata Kriwet et al. 2009

†Ptychotrygon triangularis Reuss 1845

†Ptychotrygon vermiculata Cappetta 1975

†Ptychotrygon winni Case and Cappetta 1997

Invalid names: Ptychotrygon mcnultyi Meyer 1974 [nomen nudum]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

marinesubp

Locomotion:

actively mobileo

Life habit:

nektobenthico

Diet:

carnivoreo

Created:

2009-07-21 07:15:23

Modified:

2009-07-21 09:15:23

Source: o = order, subp = subphylum

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

Age range: base of the Early/Lower Cenomanian to the top of the Early/Lower Maastrichtian or 100.50000 to 66.00000 Ma

Collections (74 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Cenomanian	100.5 - 93.9	France (Poitou-Charentes)	P. sp. (73862 77229 77230 77232 77233)
Late/Upper Cenomanian	100.5 - 93.9	Egypt	P. henkeli (214508)
Late/Upper Cenomanian	100.5 - 93.9	USA (Texas)	P. slaughteri (213298)
Middle Cenomanian	100.5 - 93.9	USA (Nebraska)	P. triangularis, P. slaughteri (239336)
Middle Cenomanian	100.5 - 93.9	USA (Colorado)	P. sp. (35429)
Late/Upper Turonian	93.9 - 89.8	USA (Texas)	P. triangularis (213299 213304)
Late/Upper Turonian	93.9 - 89.8	USA (South Dakota)	P. triangularis, P. ledouxi (213291)
Late/Upper Turonian	93.9 - 89.8	Austria (Styria)	P. gueveli (224480)
Middle Turonian	93.9 - 89.8	USA (Kansas)	P. sp. (213387) P. triangularis (35365)
Middle Turonian	93.9 - 89.8	USA (Nebraska)	P. triangularis (213389)
Middle Turonian	93.9 - 89.8	USA (Utah)	P. sp. (230870)
Middle Turonian	93.9 - 89.8	USA (New Mexico)	P. triangularis (179267)
Middle Turonian - Late/Upper Turonian	93.9 - 89.8	Uzbekistan (Navoi)	P. sp. (46959)
Turonian	93.9 - 89.8	USA (South Dakota)	P. triangularis (181902)
Turonian - Coniacian	93.9 - 85.7	USA (New Mexico)	P. triangularis (221290)
Late/Upper Coniacian - Early/Lower Santonian	89.8 - 83.6	USA (Alabama)	P. sp. (90242)
Late/Upper Coniacian - Early/Lower Campanian	89.8 - 72.2	USA (Mississippi)	P. sp. (164393)
Early/Lower Santonian	85.7 - 83.6	France (Vendée)	P. sp. (214866)
Early/Lower Santonian - Middle Santonian	85.7 - 83.6	USA (New Mexico)	P. eutawensis, P. triangularis (52037)
Early/Lower Santonian - Middle Santonian	85.7 - 83.6	USA (Georgia)	P. chattahoocheensis, P. sp., P. triangularis, P. eutawensis (61769)
Late/Upper Santonian	85.7 - 83.6	Jordan	P. sp. (62538)
Late/Upper Santonian - Middle Campanian	85.7 - 72.2	USA (Georgia)	P. sp. (215806) P. vermiculata (35289)
Campanian	83.6 - 72.2	USA (Georgia)	P. vermiculata (70720)
Early/Lower Campanian	83.6 - 72.2	USA (Texas)	P. blainensis (213303)
Early/Lower Campanian	83.6 - 72.2	USA (Utah)	P. sp. (167530)
Early/Lower Campanian - Middle Campanian	83.6 - 72.2	USA (North Carolina)	P. sp., P. triangularis (128412)
Judithian	83.6 - 72.2	USA (Texas)	P. sp. (14489)
Late/Upper Campanian	83.6 - 72.2	USA (New Mexico)	P. boothi, P. blainensis (14472) P. triangularis (52052)
Late/Upper Campanian	83.6 - 72.2	Mexico (Baja California)	P. sp. (197021)
Late/Upper Campanian	83.6 - 72.2	USA (Montana)	P. blainensis (69150)
Late/Upper Campanian	83.6 - 72.2	USA (Wyoming)	P. boothi, P. ellae (70455 70501) P. boothi, P. ellae, P. greybullensis (70451) P. ellae (70269) P. greybullensis (70499)
Late/Upper Campanian	83.6 - 72.2	USA (New Jersey)	P. vermiculata (14455)
Late/Upper Campanian	83.6 - 72.2	USA (Delaware)	P. vermiculata (27570)
Middle Campanian	83.6 - 72.2	USA (Mississippi)	P. vermiculata (164558)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (Delaware)	P. vermiculata (126600 126810)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (Montana)	P. blainensis (69153 69161) P. triangularis (177498)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (Texas)	P. sp. (68001 68003 68004 68006)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (South Carolina)	P. vermiculata (79363)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	Mexico (Chihuahua)	P. sp. (35353)
Late/Upper Campanian - Early/Lower Maastrichtian	83.6 - 66.0	USA (New Jersey)	P. agujaensis, P. vermiculata, P. slaughteri, P. winni (221052) P. sp. (14504)
Early/Lower Maastrichtian	72.2 - 66.0	USA (New Jersey)	P. cuspidata, P. triangularis (213744 213746)
Early/Lower Maastrichtian	72.2 - 66.0	Jordan	P. sp. (65223) P. triangularis (65222)
Late/Upper Maastrichtian	72.2 - 66.0	USA (North Dakota)	P. winni (213582 213583 213584 213585 213587) P. winni, P. greybullensis (213580 213589)
Late/Upper Maastrichtian	72.2 - 66.0	USA (New Jersey)	P. sp. (61807)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Texas)	P. vermiculata, P. winni (61738)
Maastrichtian	72.2 - 66.0	USA (Maryland)	P. vermiculata (83331)
Maastrichtian	72.2 - 66.0	USA (South Dakota)	P. vermiculata (90926)