Genus: Puercosuchus MARSH, PARKER, NESBITT, KLIGMAN & STOCKER, 2022
Etymology: In reference to the Puerco River that runs through Petrified Forest National Park, Arizona, just north of the holotype locality, adn is Spanish vernacular for 'mucky' or 'foul' referring to the muddy water of th river. Here, 'suchus' invokes the sprawling crocodylian-like body plan of allokosaurs.

Species: traverorum MARSH, PARKER, NESBITT, KLIGMAN & STOCKER, 2022
Etymology: In honor of Brad and Deinse Traver, the former Superintendant at Petrified Forest Natinoal Park and his wife who strongly supported the paleontology program at the park.

Holotype: PEPF 43914

Locality: Dinosaur Wash (PFV 217, Field numbers WGP 14/24, ADM 15'17, ADM 15'18, ADM 15/24-15/32, ADM 15/34, aDM 15/35), Petrified Forest Natinoal Park, Apache County, Arizona.

Horizon: Upper part of the Blue Mesa Member, Chinle Formation.

Biostratigraphy:

Age: Norian Stage, Late Traissic Epoch, Late Triassic.

Material: Associated right premaxilla and maxilla.

Referred material:

PEFO 38603, 43926: Basioccipitals.

PEFO 38604: Parabasiphenoid.

PEFO 38605, 43917: Left premaxillae.

PEFO 38627, 44129: Left humerii.

PEFO 42253: Left prearticulars.

PEFO 43915: Right premaxilla.

PEFO 43916: Left maxilla.

PEFO 43917: Left premaxilla.

PEFO 43918: Maxilla.

PEFO 43919: Right dentary.

PEFO 43920: Right dentary and isoalted teeth.

PEFO 43921: Right dentary.

PEFO 43922, 43923, 43925: Left dentaries.

PEFO 43924: Right dentary and tooth.

PEFO 43919, 44246, 38606: Right dentaries.

PEFO 43926: Basioccipital.

PEFO 43927, 43928: Right frontals.

PEOF 43929: Left frontal.

PEFO 43930: Left parietal.

PEFO 43931: Left prefrontal.

PEFO 43932, 47769, 47772, 47780, 47816, 47821: Skull bone.

PEFO 43933: Jugal.

PEFO 43934, 43935, 43936: Left pterygoids.

PEFO 44365, 43994: Post-axial opsteriro cerical vertebrae.

PEFO 43937: Right palatine.

PEFO 43938: Left quadrate and right maxilla..

PEFO 43939-43943: Left quadrates.

PEFO 43944: Left articular and surangular.

PEFO 43945: Right articular and surangular.

PEFO 43946: Angular.

PEFO 43947: Nasal.

PEFO 43948: Left Prearticular.

PEFO 43949, 43950: Angulars.

PEFO 43951: Second sacral vertebra.

PEFO 43952: Sacral centrum.

PEFO 43953: Second sacral vetebra.

PEFO 43954: Sacral centrum.

PEFO 43945, PEFO 43944: Right surangular.

PEFO 43947: Right nasal.

PEFO 43955: Sacral rib.

PEFO 43956, 43957, 43958: Sacral vertebra 2.

PEFO 43959: First sacral vertebra.

PEFO 43960, 43961, 43964, 43966, 43967, 43969-43974, 43976-43979, 47782, 47795, 47805, 47806, 47814: Trunk vertebrae.

PEFO 43962, 43975: Trunk centrum.:

PEFO 43963: Posterior trunk and caudal vertebrae.

PEFO 43965: Presacral vertebrae and pieces.

PEFO 43968: Trunk vertebra and rib.

PEFO 43974: Anterior trunk vertebrae.

PEFO 43977: Middle trunk vertebra.

PEFO 43980, 43982-43986, 43990-43995, 43998-44000, 44002-44005, 47786, 47806, 47808: Cervical vertebrae.

PEFO 43981, 43992, 43983: Post-axial anterior cervical vertebrae.

PEFO 43987: Cervical vertebra and neural arch.

PEFO 43988, 43989: Cervical centra.

PEFO 43996: Cervical neural arch.

PEFO 43997, 44001: Cervical centra.

PEFO 44005: Right altal neurapophysis

PEFO 44006: Atlantal neurapophysis.

PEFO 44009, 44010: Axis.

PEFO 44008, 44012-44023, 44026, 44027, 44029-44037, 44039, 44042, 44045-44046, 44048-44049, 44041-44066, 44260, 44262, 44285-44287, 44289-44295, 44297-44301, 44306-44317, 47774, 47783, 47793, 47794, 47795, 47810: Caudal vertebra.

PEFO 44011, 44044, 44047: Posterior caudal vertebrae.

PEFO 44017, 44028, 44029: Middle caudal vertebrae.

PEFO 44024, 47775, 47822: Neural arch.

PEFO 44039: Vertebrae and pieces.

PEFO 44040, 44050: Caudal centrum.

PEFO 44041: Trunk centrum.

PEFO 44067, 44068, 44070: Interclavicles.

PEFO 44069, 44071-44073: Right ilia.

PEFO 44074, 44336, 44340: Left ilia.

PEFO 44075: Left scapula.

PEFO 44076: Right scapulocoracoid.

PEFO 44077, 44078, 44083, 44086, 44341: Left scapulae.

PEFO 44079, 44085, 44337, 44338: Right scapula.

PEFO 44080: Left pubis.

PEFO 44081: Right ischium.

PEFO 44082: Left ischium.

PEFO 44084: Scapula blade.

PEFO 44088-44094, 44097, 44320,47776 : Cervical ribs.

PEFO 440965, 44096, 44097-44102, 44318, 44319: Chevrons.

PEFO 44087, 44089, 44091: Cervical ribs.

PEFO 44097: Posteriro chevron.

PEFO 44098, 44099: Middle chevrons.

PEFO 44101, 44102: Anterior Chevrons.

PEFO 44103, 44104, 44107-44109, 44111-44113, 44116, 44117, 44122. 44124-44125, 44266-44269, 44272-44279, 44288, 47789: Trunk vertebrae

PEFO 44105, 44110, 44115, 44128, 44332, 44333, 47771, 47787, 47798, 47800, 47815: Gastral ribs.

PEFO 44106: Trunk ribs in matrix.

PEFO 44123, 44127, 44321, 44323, 44325, 44330, 44331, 44334; Trunk rib head.

PEFO 44129, 44130, 44347: Left humeri.

PEFO 44131, 44133: Left ulna.

PEFO 44132: Right ulna.

PEFO 44134, 44137: Left radius.

PEFO 44135, 44136: Right radius.

PEFO 44138, 44139, 47777: Ungual.

PEFO 44140: Left astragalus and left centrale.

PEFO 44142, 44147, 44149, 44150, 44352: Distal end of metapodial.

PEFO 44143-44146, 44152, 44158, 47778: Phalanges.

PEFO 44151: Proximal end of metaodal.

PEFO 44153, 44154, 44155: Dital end of metapodials.

PEFO 44156: Metapodial ends.

PEFO 44157, 44159: Metapodal piecies.

PEFO 44160, 44359: Metatarsal V.

PEFO 44161: Right metatarsal IV.

PEFO 44162, 44163: Right metatarsal III.

PEFO 44164-44169: Right metatarsal II.

PEFO 44170-44175: Metatarsal I.

PEFO 44175, 44362, 44363: Left metatarsal I.

PEFO 44176, 44177: Left metacarpoal V.

PEFO 44178-44180: Left metacarpal IV.

PEFO 44181: Left Metacarpal III.

PEFO 44182-44183: Metacarpal III.

PEFO 44184, 44365, : Metacarpal II.

PEFO 44185: Metacarpal I.

PEFO 44186, 44188: Left femora.

PEFO 44185, 44191: Right femora.

PEFO 44189, 44190: Left and right femora.

PEFO 44191, 44367: Right femur.

PEFO 44192: Left femur and cervical vertebra.

PEFO 44193, 44368: Distal end of left femora.

PEFO 44194: Pathological right femur.

PEFO 44194: Right femur.

PEFO 44195, 44197, 44200, 44201: Left tibae.

PEFO 44198: Left proximal end of tiba.

PEFO 44196, 44199, 44202, 44203, 44205: Right tibae.

PEFO 44204: Left tibia and caudal vertebra.

PEFO 44206: Distal ends of tibia.

PEFO 44207: Distal end of left fibula.

PEFO 44208: Distal end of right fibula.

PEFO 44209, 44210: Proximal ends of fibulae.

PEFO 44211, 44214: Left fibulae.

PEFO 44212, 44215: Right fibulae.

PEFO 44213: Diestl ends of right fibula.

PEFO 44216: Distal ends of fibulae.

PEFO 44245: Left dentary fragments.

PEFO 44246: Right dentary.

PEFO 44247: Right quadrate.

PEFO 44248: Left quadrate.

PEFO 44249: Postfrontal.

PEFP 44250: Left angular.

PEFO 44251: Right angular.

PEFO 44252: Prearticular and angular.

PEFO 44253, 44255: Prearticular.

PEFO 44254: Angular.

PEFO 44255: Left articular and surangluar, and last trunk vertebra.

PEFO 44256: Axis.

PEFO 44257, 44007, 44008: Axial pleurocentra only, the axial intercentra/atlantal pleurocentrum are not ossified..

PEFO 44258: Atlantal intercenturm.

PEFO 44274: Anteriro trunk vertebrae.

PEFO 44276: Posterior trunk vertebrae.

PEFO 44249: Left postfrontal.

PEFO 44285: Anterior caudal vertebrae.

PEFO 44261: Cervical neural spine.

PEFO 44263: Anterior half of a cervical vertebra.

PEFO 44264: Posterior half of a cervical vertebra.

PEFO 44265: 2 associated cervical vertebrae.

PEFO 44271: Trunk centrum.

PEFO 44280: Trunk vertebra, two vials.

PEFO 44281: Sacral vertebra 2.

PEFO 44282, 44283: Sacral centrum.

PEFO 44283: Sacral vertera 1 and neural arch.

PEFO 44296: Caudal vertebra and rib.

PEFO 44302: Caudal vertebra, 3 vials.

PEFO 44303, 44304: Caucal centra.

PEFO 44335: Trunk rib pieces.

PEFO 44339: Right coracoid associated with scapula.

PEFO 44342: Left clavicle.

PEFO 44343: ungual.

PEFO 44344, 44348: Right radii.

PEFO 44345: Left radius.

PEFO 44346: Right humerus.

PEFO 44250, 44351: Right calcaneum.

PEFO 55353, 44354, 44356: Proximal end of a metopodial.

PEFO 44355, 44357: Phalanages.

PEFO 44359: Right metatarsal V.

PEFO 44360, 47809: Metatarsal IV.

PEFO 44361, 47791: Metatarsal II.

PEFO 44365: Right metacarpals II.

PEFO 44366: Left metacarpal I.

PEFO 44368: Left femur and trunk vertebra.

PEFO 44371: Left tibia.

PEFO 44372, 44215: Left fibulae.

PEFO 44373: Right fibula.

PEFO 44374: Fibula midshaft.

PEFO 44375: Left proximla end of a tibia.

PEFO 44392: Distal end of a fibula.

PEFO 44212: Right fibula.

PEFO 44140: Left astragalus and centrale.

PEFO 44141, 44349: Left calcaneum.

PEFO 44458: Left ischium.

PEFO 47768: Humerus.

PEFO 47769, 47779, 47812, 47813, 47820: Trunk ribs.

PEFO 47773: Dentary.

PEFO 47785, 47792: Scapulae.

PEFO 47788: Right humeri.

PEFO 47781, 47799, 47801: Ribs.

PEFO 47790: Premaxilla.

PEFO 47796: Limb end.

PEFO 47797: Limb shaft.

PEFO 47798: Basisphenoid.

PEFO 47802, 47810: Fibulae.

PEFO 47803: Right ulna.

PEFO 47807, 47819: Splenial.

PEFO 47816, 47817: Centra.

PEFO 47823: Postorbital.

PEFO 49442: Both opisthotics co-ossified to the supraoccipital and prootic.

 

 

Locality: Krzyzanowski bone bed, NMMNH Locality L-3764, Blue Hills northeast of St. Johns, Apache County, Arizona.

Horizon: Lower Blue Mesa Member, Petrified Forest Formation, Chinle Group.

Biostratigraphy:

Age: Adamanian, Latest Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

NMMNH P-34091, 34095: Teeth.

NMMNH P-34099: Proximal end of a fibula.

NMMNH P-34100: Femur shaft.

NMMNH P-34224: Dentary tooth fragment.

NMMNH P-34640, 40938, 44138, 53269: Metatarsals.

NMMNH P-34566, 34628: Metacarpals.

NMMNH P-34567: Quadrate.

NMMNH P-34596: Sacral centrum.

NMMNH P-34613, 63565: Caudal vertebrae.

NMMNH P-37829: Left femur.

NMMNH P-40938: Femur and metatarsals.

NMMNH P-40939: Associated ilium and angular.

NMMNH P-40939: cervical vertebra.

NMMNH P-44128: Associated denary, maxilla, angular and perarticular.

NMMNH P-42189: Astragalus.

NMMNH P-44134: Ungual.

NMMNH P-44150: Pterygoid.

NMMNH P-44157: Left and right pterygoid.

NMMNH P-44165: Dentary.

NMMNH P-44168: Metatarsal V.

NMMNH P-44174: Articualted left ilium and ischum.

NMMNH P-60127: Left dentary.

NMMNH P-60208: Associated Left radius, right femur, humerus, cervical vertebra..

NMMNH P-60209: Associated skeleton consisting of dentary, left and right ilia, femur shaft, radius, ulna and caudal verebra.

NMMNH P-60308: Post-axial anterior cervical vertebrae.

NMMNH P-63265: Associated humeri and caudal vertebrae.

NMMNH P-63266: Proximel end of femur.

NMMNH P-63267: Femur shaft.

NMMNH P-63289: Ulna.

NMMNH P-63299: Right tibia.

NMMNH P-63320: Trunk vertebra and caudal vertebra.

NMMNH P-63571: Associated femur and ulna.

NMMNH P-63271: Pterygoid.

NMMNH P-63273: Premaxilla.

NMMNH P-63816: Block with associated femur, tibia, fibula and pes.

NMMNH P-63284: Distal end of humerus.

NMMNH P-63289: Left ulna.

NMMNH P-63316: Fragments.

NMMNH P-63318: Femur distal end.

NMMNH P-63324: Maxilla.

NMMNH P-63562, 63567: Cervical vertebrae.

NMMNH P-63563: Right ilium.

NMMNH P-63572: Right tibia.