Species: scoticus (LYDEKKER, 1890) WATSON, 1929
Etymology: In reference to Scotland, where the specimen was found.
= Macromerium scoticum LYDEKKER, 1890
Holotype: NHMUK VP R310
Locality: Gilmerton, near Edinburgh, mid-Lothian Province, Scotland, northern United Kingdom.
Horizon: Gilmerton Ironstone, Lower Limestone Group.
Biostratigraphy:
Age: Brigantian, upper Visean, uppermost Dinantion, Visean Epoch, Early Carboniferous (Early Late Mississippian).
Material: Right jaw ramus.
Referred material:
NMS G (was RSM) 1859.33.104: Right side of the skull.
Note: Previously the holotype before NHMUK VP R310 was attributed to Crassigyrinus.
SCHOCH & MILNER, 2014
NMS G.1975.48.5051: Skull fragments.
GODFREY, 1988
Locality: Greer Limestone Company near Greer, West Virginia.
Horizon:
Biostratigraphy:
Age: Visean, uppermost Dinantion, Visean Epoch, Early Carboniferous (Early Pennsylvian).
Material:
MCZ 8950: Ribcae and ventral scales.
= Crassigyrinus-like HERBST & HUTCHINSON/SMITHSON ET AL., 2012, CLACK ET AL. 2018
Locality: Burnmouth, Scotland.
Horizon:
Biostratigraphy:
Age: Tournasian Epoch, Lowest Mississippian Subperiod, Lowermost Carboniferous period.
Material:
UMZC 2011.91: Partial jaw.
PANCHEN & SMITHSON, 1990
Locality: Dora opencast site near Cowdenbeath, Fife Region, Scotland.
Horizon: Dora Bone Bed, (Above Little Splint Coal), Limestone Coal Group.
Biostratigraphy:
Age: Namurian A, Lower Lower Namurian, Lower Silesian Series, Pendleian Stage, Serpukhovian Epoch, Early Carboniferous (Early Late Mississippian).
Material:
NHMUK VP (was BMNH) R10000: Skull and skeleton.
Note: Bony callus formation (healed fracture) in four ribs (PACHEN 1985, HERBST, DOUBE, SMITHSON, CLACK & HUTCHINSON, 2019).
NMS (was RMSy BY ) 1984.15.1: Left sacral rib, left Ilium and left femur.
Note: Left femur is pathologic (HERBST, DOUBE, SMITHSON, CLACK & HUTCHINSON, 2019).
NMS (was RMSy BY ) 1984.15.2: Metatarsal or phalanx.
Note: Lesion on the extensour surface (HERBST, DOUBE, SMITHSON, CLACK & HUTCHINSON, 2019).
NMS (was RMS BY ) G 1984.15.3: Left ischium, incomplete right ilium, right tibia, right fibula, metatarsals, phalanges, neural arch, centrum presacral rib, scutes and unidentified fragments of bone.
Note: Right tibia is pathologic (HERBST, DOUBE, SMITHSON, CLACK & HUTCHINSON, 2019).
NMS (was RMSy BY ) 1984.15.2: Metatarsal or phalanx.
NMS (was RMSy BY ) 1975.5.5: Right ilium and left ischium.
GSE 4722: Fragmentary left jaw.
NMS (was RMSy BY ) 1975.48.50: Posterior left jaw ramus.
NMS (was RMSy BY ) 1975.48.51: Fragmentary skull.
NMS (was RMSy BY ) 1978.3.15DZ: Fragmentary interclavicle.
PANCHEN, 1985
= ?Anthracosaurus russelli LYDEKKER
Etymology:Locality: ?Airdrie Ironstone, ? Edinburgh, mid-Lothian Region, Scotland, northern United Kingdom.
Horizon: Gilmerton Ironstone, Lower Limestone Group.
Biostratigraphy:
Age: Brigantian, upper Visean, uppermost Dinantion, Visean Epoch, Early Carboniferous (Early Late Mississippian).
Material:
NHMUK VP (was BMNH) R30532: Fragmentary skull.