Species: ferratus O. FRAAS, 1877
Etymology:
Syntype: 1-24
Lectoptype: SMNS 5770, Specimen XVI (16)
Locality: Heslach, near Stuttgart, Baden-Wurttemberg State, Germany.
Horizon: Lower and Middle Stubensandstein, Löwenstein Formation, Middle Keuper.
Biostratigraphy:
Age: Norian Stage, Late Triassic Epoch, Late Triassic.
Material: 24 skulls and skeletons.
SMNS 5770, Nos. II, V, VII, VIII, X, XIII, XIX, XVI, XXIII: Skulls and skeletons of adults..
SMNS 5770, Nos. VI, XII, XV, XXII: Adult skeletons without skull.
SMNS 5771, Sacrum to middle caudal region.
Skull after Reyes et al, 2021.
Referred material:
LUCAS, HECKERT, FRASER & HUBER, 1999
Locality: Slickstones (Cromhall) Quarry, Avon, (ST 704916), South Gloucestershire County, England, Southern United Kingdom.
Horizon: Karstic fissures in Dinatian limestone.
Biostratigraphy:
Age: Carnian/Norian Stage, Late Triassic Epoch, Late Triassic.
Material:
AUP 11300: Dorsal paramedian scute.
WILD, 1989
Locality: Near the ruins of Castle Blankenhorn in the Stromberg Mountains, Baden-Wurttemberg State, Southwest Germany.
Horizon:
Biostratigraphy:Age: Late Triassic.
Material:
SMNS 18854: Fragmentary skeleton lacking shoulder region and skull.
Locality: Cene near Bergamo, Bergamo Province, Italy.Horizon: Calcare di Zorzino Formation (Zorzion Limestone).
Biostratigraphy:
Age: Middle-Late Norian Stage, Late Triassic Epoch, Late Triassic.
Material:
MCSNB 4864: Fragment of the cervical dorsal armor.
= Aetosaurus cf. ferratus JENKINS, SHUBIN, AMARAL, GATESY, SCHAFF, DOWNS, CLEMMENSEN, BONDE, DAVIDSON & OSBAECK, 1993
Locality: Bjergkronerne beds, Syd kronen, northern Jameson Land, latitudes 71’15”N, and 71’50”N, East Greenland, Greenland.
Horizon: Ørstead Dal Member, Fleming Fjord Formation.
Biostratigraphy:
Age: Late Norian-Early Rhaetian Stage, Late Triassic Epoch, Late Triassic.
Material:
NHMD 190375-190379 (peviously MCZ Field number 22/92G): A nearly complete skull missing the rostrum, a partial maxilla with one tooth, lower jaw, humerus, femur, numerous vertebrae which include an articulated series of four vertebrae and a partial sacrum, and numerous dorsal, caudal and ventral dermal armor scutes of two individuals.
= Aetosaurus crassicauda E. FRAAS, 1907
Etymology:
Holotype: SMN. 11837
Locality: Comunity’s quarry (or Quarry Burrer Pfaffenhofen), 2.5 km SSW of the Village of Pfaffenhofen in the Stromberg Mountains, Baden-Wurttemberg State, Germany.
Horizon: Stubensandstein, Middle Keuper.
Biostratigraphy:
Age: Norian Stage, Late Triassic Epoch, Late Triassic.
Material: Last 3 dorsals, 2 sacral and 3 caudal vertebrae, pelvis, and dorsal and ventral scutes.
Referred martial:
HUENE, 1921/WALKER, 1961
SMNS 12670: Right scapula, left pubis, right pterygoid.
WILD, 1989
SMNS 14882: Posterior to sacrum through the middle caudal region, an anterior caudal fragment of a skeleton with 14 caudal vertebrae and partly disarticulated paramedian plates.
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Species: arcuatus (MARSH, 1896) LUCAS, HECKERT & HUBER, 1998
Etymology:
= Stegomus arcuatus MARSH, 1896
= Stegomus arcuatus arcuatus (MARSH, 1896) JEPSEN, 1948
Holotype: Yale Museum No. 1647
Locality: Quarry of Freeman Clark near the State street bridge over the Quinnipiac river in Fair Haven, within the municipality of New Haven, New Haven County, Connecticut.
Horizon:
Biostratigraphy:
Age: Late Triassic.
Material: Dorsal scutes.
Referred material:
LUCAS & HECKERT, 1997, HECKERT & LUCAS, 1998
Locality: Eastern New Mexico.
Horizon: Bull Canyon Formation.
Biostratigraphy:
Age: Revueltian, Early Norian Substage, Early Norian Epoch, Middle Late Triassic Epoch, Late Triassic.
Material:
NMMNH P 17212: 2 partial right dorsal paramedian scutes.
NMMNH P 17213: Left dorsal paramedian scute.
NMMNH P 17215: 2 partial left dorsal paramedian scutes.
NMMNH P 17216: A partial right dorsal paramedian scute.
NMMNH P 17223: A possible lateral scute.
NMMNH P 17228: Several delicate, faintly decorated fragments of paramadian and lateral scutes.
NMMNH P 17163: 5 dorsal paramedian scute fragments.
NMMNH P 17165: A mid-dorsal paramedian scute.
= Stegomus arcuatus jerseyensis JEPSEN, 1948
Etymology:Holotype: NJSM No. 10740
Locality: Near Neshanic Station, Somerset County, New Jersey.
Horizon: Passaic Formation.
Biostratigraphy:
Age: Late Triassic.
Material: 9 segments of the caudal scutes and 4 caudal vertebrae.
Referred specimens:
BAIRD, 1986
Locality: Bank of Nishiaskawick Creek, Huntendon County, New Jersey.
Horizon: Passaic Formation.
Biostratigraphy:
Age: Late Triassic.
Material:
YPM [PU] 21750: Natural cast of ventral aspect of skull and dorsal carapace.
BAIRD & TAKE,
Locality: Nova Scotia, Canada.
Horizon: Wolfville sandstone, basal formation of the Newark Group.
Biostratigraphy:
Age: Late Triassic.
Material: Caudal scutes and a vertebrae.
HUBER, LUCAS & HUNT, 1993
Horizon: Triangle Brick Quarry, Deep River Basin, North Carolina.
Horizon: Lower Sanford Formation, Newark Supergroup.
Biostratigraphy:
Age: Late Triassic.
Material:
NCSM 11756: Natural cast of portion of proximal tail.