Genus: Plagiosternum FRAAS, 1913
Etymology:

Species: granulosum (FRAAS, 1889) FRAAS, 1913
Etymology:
= Mastodonsaurus granulosus FRAAS, 1889
= Mastodonsaurus grannulosus OCHEV, 1966 (sic)

Lectotype: SMNS 11824

Locality: Crailsheim-Satteldorf, Heldenmühle Quarry, Pfaffenhofen, Stormberg, Crailsheim, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material: Left clavicle.

Referred material:

SMNS 13168: Partil Skull.

SMNS, Unnumber: Left pterygoid including part of the ascending ramus.

SMNS Unnumber: Skull fragments, including several pterygoids.

SMNS 8733, SMNS 8675: Interclavicles.

SMNS 11830: Intercentrum.

SCHOCH, 2015

SMNS 90698: Interclavicle.

SCHOCH, GASTOU, STEYER, MUJAL, MORENO & WITZMANN, 2025

GPIT-PV 44852: Partial interclavicle.

GPIT-PF 44855: interclavicle.

GPIT-PV 44856: Partial mandible.

GPIT-PV 44857: Right clavicle.

SMNS 11828: Partial dentary.

SMNS 11831: Right ectopterygoid.

SMNS 84796: Left jugal.

SMNS 84801: Left partial.

SMNS 84802: Left pterygoid.

SMNS 84804: Left nasal.

SMNS 84805: Left pterygoid.

SMNS 97146: Right parietal.

SMNS 97147: Left parietal.

SMNS 97148: Right parietal.

SMNS 97149: Left parietal.

SMNS 97150: Right paretal portion.

SMNS 97151: Left dentary.

SCHOCH & MORENO, 2024

SMNS 11827: Surangular.

SMNS 13168: Skull roof.

SMNS 13169: Skull roof fragment.

SMNS 13170: Partial clavicle.

SMNS 84000: Right hemimandible.

SMNS 84804: Nasal.

Skull modifed from Schoch & Millner, 2014 via Schoch & Moreno, 2024. A) Dorsal and B) Ventral views.


HUENE, 1922

Locality: Crailsheim, Baden-Wurttemberg State, Germany.

Horizon: Upper Muschalkalk.

Biostratigraphy:

Age: Ladinian Stage, Mid Triassic Epoch, Middle Triassic.

Material:

Number: Not given: Fragmentary skull, and fragmentary vertebrae.

 

LYDEKKER, 1890

Locality: Crailsheim, Baden-Wurttemberg State, Germany.

Horizon: Upper Muschalkalk.

Biostratigraphy:

Age: Ladinian Stage, Upper Mid Triassic Epoch, Middle Triassic.

Material:

NHMUK (old BMNH) 33075: 5 imperfect sculptured bones.

 

SCHOCH, GASTOU, STEYER, MUJAL, MORENO & WITZMANN, 2025

Locality: Arnstadt-North, ICE construction site parallel to Autobahn BAB4/71, Thuringia State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

NHMS-WT 669: Skull, jaws, partial clavicle and interclaavicle.

NHMS-WT 2835-2848: Numerous portios of skull and scapualr girdle.

NHMS-WT 2997: Juvenile clavicle.

 

Locality: Pfiffelbach, Thuringia State, Germany.

Horizon:

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

FSUJ uncatalagued: Interclavicle.

 

Locality: Unknown, Thuringia State, Germany.

Horizon:

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MB.Am.510: Interclavicle.

MB.Am.685: Left quadratojugal.

 

Locality: Bedheim, new quarry,South- Thuringia State, Germany.

Horizon:

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

NHMS-WT 3640: Right lateral region of drosal skull roof with postorbital, jugal and squamosal.

 

Locality: Crailsheim-Sattelweiler, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI 173: Clavicle.

 

Locality: Crailsheim-Tiefenbach, Harer Quarry, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI 730: Postparietals.

MHI 891: Intercentrum.

MHI 1027: Humeurs,

MHI 2347: Clavicula.

MHI ON1: Pteroid.

 

Locality: Crailsheim, Neidenfels quarry, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI 1113: Clavicle, atlas, intercentrum.

 

Loclaity: Crailsheim without specific locality data, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MB.Am.540: ?Clavicle.

MB.Am.541: Interclavicle.

MB.Am.543: Unidentified dermal bone portions.

MB.Am.682: 12 portions of dermal bone.

NHMW uncatalgued: Clavicle fragment.

 

Locality: Crailsheim-Satteldorf, Barenhalden Quarry, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI 698: Intercentrum, MHI Ku 2001/4: Interclavicle poriton.

 

Locality: Rosswag, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

SMNS 82024: Clavicle.

 

 

Locality: Bibersfeld near Schwäbisch Hall, Baden-Würrttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MB.Am.533: Clavicle.

 

Locality: Drkenbrechtshausen, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI 906: Interclavicle.

 

Locality: Gemmingen, Reimold Quarry, Baden-Würrttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI 1238: Interclavicle.

 

Locality: Gottwollshausen, Dölker Quarry, Baden-Würrttemberg State, Germany.

Horizon: Blaubank.

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI 204: Mandible portion.

 

Localitiy: Kirchberg an der Jagst, Baden-Würrttemberg State, Germany.

Horizon: Bonebed at base of Anthrakonitbank.

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI: Left jugal.

 

 

Locality: Michelbach an der Bliz, Wilhemsgluck Quarry, Baden-Würrttemberg State, Germany.

Horizon: Lingula-Sandstein.

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI 1033: Parietlas and postparietals.

 

Locality: Unterhorn, Baden-Würrttemberg State, Germany.

Horizon: Albertibank.

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI: Interclavicle portion.

 

 

Locality: Zwingelhausen, Glaser Quarry, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

SMNS 97128: Large right quadratojugal.

 

Locality: Zwingelhausen, Glaser Quarry, Baden-Würrttemberg State, Germany.

Horizon: Blaubank.

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

SMNS 91752: Posteiror end of mandible.

NHMS WT 3332: Frontal and parietal.

 

 

Locality: Hilpertshof near Burgbernheim, Baveria State, Germany.

Horizon: Vitriolschiefer.

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI 1904: Left clavicle.

 

Locality: Lösau, Bavaria State, Germany.

Horizon:

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MB.Am.494: Clavicle.

 

Locality: Molsdorf, Old locality, Thuringia State, Germany.

Horizon:

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MB.Am.684: Possible cleithrum.

 

SCHOCH & MORENO, 2024

Localitiy: Rüblingen, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

SMNS 81364: Left clavicle.

SMNS 81365: Left clavicle.

 

Localitiy: Rüblingen, Baden-Würrttemberg State, Germany.

Horizon: Blaubank, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MHI: Clavicle.

 

Locality: Ummenhofen, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

SMNS 56614: Complete skull.

 

Locality: Rothenburg ob der Tauber, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

SMNS 90602: Left part of skull.

 

Locality: Mundelsheim, Epple Quarry, Baden-Würrttemberg State, Germany.

Horizon: Frankische Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

SMNS 82002: Right half of skull.

 

Locality: Velberg-Eschenau, Schumann Quarry, Baden-Würrttemberg State, Germany.

Horizon: Hauptsandstein, E4, Erfurt Formation.

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MNI: Both parietals.

 

Locality: Velberg-Eschenau, Schumann Quarry, Baden-Würrttemberg State, Germany.

Horizon: Untere Graue Mergel, E4, Erfurt Formation.

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MNI: Both parietals,

MHI 1805: Right clavicle.

SMNS 90698: Left hemimandible, interclavicle and left clavicle.

SMNS 90720: Right hemimandible.

SMNS 97153: Juvenile clavicle.

SMNS 97154: Juvenile left jugal.

SMNS 97155: Posterior portion of mandibles.

Locality: Arnstadt-Nord, road construction site, Thurigingia State, Germany.

Horizon: Sandstones and green mudstons, below Melchendorfer Dolomite.

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

NHMS-WT 2835: Skull bones.

NHMS-WT 2997: Juvinle

 

Locality: Neudietendorf near Gotha, Thuringia State, Germany.

Horizon: "Ockerdolomit".

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

MB. Am 686: Anterior middle part of skull.

NHMS: Several specimens.

 

TRUSHEIM

Locality: Quaderkalk Rottenbauer, near Wurzburg, Bayern (Bavaria) State, Germany.

Horizon:

Biostratigraphy:

Age: Late Triassic.

Material:

Number: Not given: Clavicale.

 

WARREN, 1995

Locality: Obersontheim-Ummenhofe, Schneider Quarry, Baden-Würrttemberg State, Germany.

Horizon: Grenzbonebed, Uppermost Muschelkalk (mo3) (Stubensandstein).

Biostratigraphy:

Age: Late Ladinian Stage, Late Mid Triassic Epoch, Late Triassic.

Material:

SMNS 56614: Complete lare skull.

 

= Xestorrhytias MEYER, 1855 (partim)
= Mastodonsaurus FRAAS, 1899 (partim)

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:


= Plagiosternum nanum SCHMIDT, 1931
Etymology: Greek, nanus, "dwarf."

Holotype: FSUJ uncatalogued.

Locality: Hochstedt, Thurigia State, Germany.

Horizon: Lettenkohlen sandstone.

Biostratigraphy:

Age: Late Triassic.

Material: Clavicle fragments.

 

= Plagiosternum cf. granulosum SCHMIDT, 1931

Locality: Lettenhohlenschichten, Thuringia State Germany.

Horizon:

Biostratigraphy:

Age: Late Triassic.

Material:

Number: Not given: Fragments of skull

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