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Leptosuchomorpha

Reptilia - Parasuchidae

Taxonomy
Leptosuchomorpha was named by Stocker (2010). It is not extant. It was considered monophyletic by Stocker (2010).

It was assigned to Phytosauridae by Stocker (2010); to Phytosauridae by Stocker and Butler (2013); and to Mystriosuchinae by Kammerer et al. (2016).

Sister taxa
Mystriosuchini (syn. Pseudopalatinae)

Synonymy list
YearName and author
2010Leptosuchomorpha Stocker p. supplement
2013Leptosuchomorpha Stocker and Butler
2016Leptosuchomorpha Kammerer et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
RankNameAuthor
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
Pseudosuchia(Zittel 1890)
Phytosauria(Jaeger 1828)
familyParasuchidaeLydekker 1885
subfamilyMystriosuchinaevon Huene 1915
Leptosuchomorpha
Leptosuchomorpha

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.

Unr. †Leptosuchomorpha Stocker 2010
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G. †Leptosuchus Case 1922
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Invalid names: Phytosaurus doughtyi Case 1920 [synonym]
Leptosuchus studeri Case and White 1934
Unr. †Mystriosuchini Huene 1915
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G. †Machaeroprosopus Mehl 1916
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Machaeroprosopus jablonskiae Parker and Irmis 2006
Machaeroprosopus lottorum Hungerbühler et al. 2013
Invalid names: Arribasuchus Long and Murry 1995 [synonym], Pseudopalatus Mehl 1928 [synonym], Redondasaurus Hunt and Lucas 1993 [synonym]
G. †Mystriosuchus Fraas 1896
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Mystriosuchus westphali Hungerbühler and Hunt 2000
Invalid names: Pseudopalatinae Long and Murry 1995 [replaced]
G. †Pravusuchus Stocker 2010
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Pravusuchus hortus Stocker 2010
G. †Smilosuchus Long and Murry 1995
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Invalid names: Machaeroprosopus zunii Camp 1930 [synonym]
Smilosuchus gregorii Camp 1930
Diagnosis
ReferenceDiagnosis
M. R. Stocker 2010A node-based group consisting of the last common ancestor of Leptosuchus
studeri (Case and White 1934) and Pseudopalatus pristinus (Mehl 1928) and all the descendants of that ancestor.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Diet: carnivoresubo
Created: 2009-01-03 20:38:18
Modified: 2009-01-03 22:38:18
Source: subo = suborder, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Benton 1983, Carroll 1988

Age range: base of the Carnian to the top of the Early/Lower Hettangian or 237.00000 to 196.50000 Ma

Collections (170 total)


Time interval Ma Country or state Original ID and collection number
Carnian237.0 - 228.0USA (Texas) Smilosuchus gregorii (84271)
Carnian - Norian237.0 - 208.5USA (Texas) Leptosuchus crosbiensis, Phytosaurus doughtyi (71976) Leptosuchus sp. (135653) Leptosuchus studeri, Brachysuchus megalodon (105766) Phytosauria indet. (98596) Smilosuchus gregorii (71982)
Norian228.0 - 208.5USA (New Mexico) Belodon buceros (93620) Machaeroprosopus andersoni (196536) Machaeroprosopus sp. (93685) Nicrosaurus sp., Pseudopalatus sp. (48516) Phytosauria indet. (84272) Phytosauridae indet. (83738) Pseudopalatinae indet. (74202) Pseudopalatus mccauleyi (188759) Pseudopalatus mccauleyi, Rutiodon gregorii (49499) Pseudopalatus pristinus (94105) Pseudopalatus pristinus, Arribasuchus buceros (47126) Pseudopalatus sp. (80926) Redondasaurus gregorii (83737) Redondasaurus sp. (93672)
Norian228.0 - 208.5Germany (Niedersachsen) Nicrosaurus sp., Mystriosuchus planirostris (106511)
Norian228.0 - 208.5USA (Arizona) Arribasuchus buceros (93417) Leptosuchus adamanensis (92322 92929 93109 93230 93541) Leptosuchus crosbiensis (92931) Leptosuchus sp. (52500 52501 52502 57683 92824 92854 92912 92913 92923 92933 93108 93110 93111 93112 93113 93115 93116 93117 93118 93122 93125 93126 93127 93129 93130 93131 93133 93135 93227 93229 93231 93352 93356 93357 93478) Leptosuchus sp., Leptosuchus adamanensis (39160 92819 93132 93364) Leptosuchus sp., Leptosuchus crosbiensis (92922 93232 93360) Leptosuchus sp., Machaeroprosopus adamanensis (93123) Leptosuchus sp., Machaeroprosopus zunii (52499) Leptosuchus sp., Rauisuchidae indet. (39219) Machaeroprosopus adamanensis (92826) Machaeroprosopus gregorii (93362) Machaeroprosopus gregorii, Machaeroprosopus sp. (93547) Machaeroprosopus lithodendrorum (192008) Machaeroprosopus sp. (93549 93550) Machaeroprosopus tenuis, Pseudopalatus mccauleyi, Pseudopalatinae indet. (93431) Machaeroprosopus validus (93552) Machaeroprosopus zunii (92910 92911) Nicrosaurus sp. (93491) Pseudopalatinae indet. (48421 48546 49500 57684 57686 84263 93392 93393 93394 93396 93401 93406 93408 93413 93415 93418 93427 93430 93435 93437 93440 93442 93443 93444 93445 93447 93452 93455 93456 93457 93460 93465 93467 93470 93471 93472 93473 93474) Pseudopalatinae indet., Arribasuchus buceros (93433) Pseudopalatus jablonskiae (88338) Pseudopalatus pristinus (93429 93461 93462 93464 93466 93566) Pseudopalatus pristinus, Pseudopalatinae indet. (93432) Pseudopalatus pristinus, Pseudopalatus sp. (48423 84017) Pseudopalatus sp. (92827 92855) Rutiodon adamanensis (84264) Rutiodon sp. (48547) Smilosuchus gregorii (93358 93363) Smilosuchus sp. (92852)
Norian228.0 - 208.5Germany (Baden-Württemberg) Belodon planirostris, Mystriosuchus westphali (105832) Mystriosuchus westphali (105831 105833) Nicrosaurus kapffi (105834 106363 138915) Nicrosaurus species B (138916)
Norian228.0 - 208.5USA (Texas) Leptosuchus crosbiensis (13273) Machaeroprosopus lottorum, Pseudopalatus pristinus (196537) Pseudopalatus sp. (218144)
Norian228.0 - 208.5Germany (Baden-Wurttemberg) Nicrosaurus kapffi (138914) Nicrosaurus sp., Belodon kapffi, Nicrosaurus species B (47785)
Norian228.0 - 208.5Austria (Styria) Mystriosuchus planirostris (97845)
Norian - Rhaetian228.0 - 201.3Germany (Niedersachsen) Angistorhinopsis ruetimeyeri (106517)
Lacian - Sevatian221.5 - 205.6USA (New Mexico) Pseudopalatus buceros (62311)
Alaunian215.56 - 212.0Italy (Lombardia) Mystriosuchus sp., Mystriosuchus planirostris (36377)
Alaunian215.56 - 212.0Germany (Baden-Württemberg) Mystriosuchus sp., Mystriosuchus planirostris (47800)
Sevatian212.0 - 205.6Italy (Lombardia) Mystriosuchus sp. (106518)
Rhaetian208.5 - 201.3USA (Utah) Redondasaurus gregorii (137230)
Rhaetian208.5 - 201.3USA (Arizona) Pseudopalatinae indet. (198618) Pseudopalatus buceros, Pseudopalatus sp. (84009) Pseudopalatus mccauleyi, Pseudopalatus sp. (84012) Pseudopalatus pristinus, Pseudopalatus sp. (84013 84014 84015 84016) Pseudopalatus sp. (84010)
Rhaetian208.5 - 201.3USA (New Mexico) Redondasaurus gregorii, Phytosauria indet. (48422)
Rhaetian208.5 - 201.3Germany (Sachsen-Anhalt) Mystriosuchus sp. (139488)
Early/Lower Hettangian201.3 - 196.5United Kingdom (England) Mystriosuchus sp. (97844)