Dormaal (Eocene of Belgium)

Also known as Orsmael

Where: Brabant, Belgium (50.8° N, 5.1° E: paleocoordinates 46.3° N, 2.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Dormaal Member (Tienen Formation), Early/Lower Eocene (55.8 - 48.6 Ma)

• Lower Eocene, early Sparnacian (Landenian): NP 9, MP 7 (Smith & Smith, 2003)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: L. Dollo. 1909. The fossil vertebrates of Belgium. Annals of the New York Academy of Science 19(4):99-119 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35531: authorized by Matthew Carrano, entered by Matthew Carrano on 19.12.2003, edited by Robin Whatley, K. Christopher Beard, John Alroy, Philip Mannion, Chris Bell, Terri Cleary, David Nicholson, Patricia Holroyd and Juan Benito Moreno

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines - Trionychidae
Trionychidae indet.5 Gray 1825 softshell turtle
small form with fine decoration
 Testudines - Podocnemidae
Neochelys sp.14 Bergounioux 1954 sideneck turtle
 Crocodylia - Crocodylidae
Crocodylidae indet.6 Cuvier 1807 crocodile
"ziphodont" tooth
Crocodylus depressifrons9 Blainville 1855 crocodile
IRSNB R255 (right maxilla); IRSNB R256 (right maxilla); IRSNB R257 (parietal); DIIA R50RS (parietal and supraoccipital); IRSNB R258 (ectopterygoid); IRSNB R259 (caudal vertebra); IRSNB R260 (osteoderm)
 Crocodylia -
Asiatosuchus sp.6 Mook 1940 crocodilian
isolated teeth
 Crocodylia - Alligatoridae
Allognathosuchus woutersi n. sp.6 Buffetaut 1985 crocodilian
1 maxilla, 1 dentary, and isolated teeth
 Crocodylia - Diplocynodontidae
Diplocynodon sp.6 Pomel 1847 crocodilian
 Squamata - Lacertidae
Plesiolacerta sp.1 Hoffstetter 1942 lizard
two trunk vertebrae
Dormaalisaurus sp.3 Augé and Smith 2002 lizard
three incomplete dentaries, two incomplete maxillae; IRSNB No. R207, one incomplete premaxilla
Dormaalisaurus rossmanni n. sp.3 Augé and Smith 2002 lizard
IRSNB No. R206 (holotype), incomplete right dentary; additional material: incomplete right maxilla
Dormaalisaurus girardoti n. gen. n. sp.3 Augé and Smith 2002 lizard
IRSNB No. R205 (holotype), slightly incomplete right dentary; additional material: four incomplete right dentaries, three incomplete left dentaries
 Squamata - Necrosauridae
Necrosaurus sp.1 Filhol 1876 lizard
one incomplete osteoderm; 2 caudal vertebrae
 Squamata - Helodermatidae
Helodermatidae indet.2 Gray 1837 lizard
three dorsal vertebrae, one caudal
 Squamata -
Saniwa orsmaelensis1 Dollo 1923 lizard
12 caudal vertebrae; 9 trunk vertebrae
 Squamata - Anguidae
Glyptosaurinae indet.1 Marsh 1872 lizard
50 osteoderms
Melanosaurini indet.1 Sullivan 1979 lizard
one incomplete right maxilla
Placosaurus indet.2 Gervais 1852 lizard
Fragment of skull roof with osteoderms; IRScNB D334, 42, and 213, twenty two osteoderms; IRScNB D42, osteoderm; IRScNB IG23197, three cephalic osteoderms. Incomplete parietal now referred to cf. P. ragei below.
Placosaurus ragei n. sp.22 Sullivan et al. 2012 lizard
IRScNB R263 (formerly IRScNB D02) (holotype), nearly complete left dentary previously assigned to "cf. Paraplacosauriops quercyi" by ref 59290. Sullivan et al. name the taxon "?Placosaurus ragei", but for the purposes of recording it in the database properly the "?" is excluded.
cf. Placosaurus ragei22 Sullivan et al. 2012 lizard
IRScNB R264, incomplete parietal; R265, one cephalic osteoderm
Anguinae indet.1 Gray 1825 lizard
three trunk vertebrae
Anguini indet.2 Augé 2005 lizard
 Squamata - Iguanidae
Geiseltaliellus sp.1 Kuhn 1944 lizard
dentary fragment; possible dentary fragment
Geiseltaliellus longicaudus2 Kuhn 1944 lizard
 Squamata -
Tinosaurus europeocaenus n. sp.2 Auge and Smith 1997 lizard
IRScNB R202 (holotype), left dentary; additional material listed in ref. text
Eolacerta sp.2 Nöth 1940 lizard
IRScNB R109, two dorsal vertebrae; IRScNB coll. Smith, fragment of right dentary, one dorsal vertebra
 Squamata - Gekkonidae
Gekkonidae indet.2 Gray 1825 gecko
IRScNB D118, fragment of right dentary
 Squamata - Blanidae
Blanosaurus primeocaenus n. gen. n. sp.11
Blanosaurus primeocaenus n. gen. n. sp.11 Folie et al. 2013 worm lizard
IRSNB R 287 (DIII RS26) - holotype (nearly complete left dentary); about 60 dentaries and fragmentary dentaries, from the levels DIIC and DIII of the private collection of one of us (R.S.) including IRSNB R 113 (left dentary); and more than one hundred of vertebrae including IRSNB R 114 (dorsal vertebra) and IRSNB R 288 (DIIC RS15, trunk vertebra)
 Squamata - Amphisbaenidae
Amphisbaenidae indet.1 worm lizard
one left dentary; three trunk vertebrae; one dentary
Campinosaurus woutersi n. gen. n. sp.2 Auge 1992 worm lizard
IRScNB R119 (holotype), posterior half of left dentary
 Squamata -
Scincoidea "indet. Forme A"2 Oppel 1811 lizard
DIIS collection: incomplete left maxilla, part of anterior of left maxilla, ?one premaxilla. "Forme B" is found in Malperie (see Auge 2005 for comparison)
 Squamata - Cordylidae
Cordylidae indet.1 Gray 1837 spinytail lizard
two trunk vertebrae; dentary fragment
 Squamata -
cf. Paraplacosauriops quercyi4 Filhol 1882 lizard
Some specimens reassigned from "Placosaurus indet.". Auge and Sullivan only mention specimens IRScNB R 112, one posterior part of right maxilla; and MNHN CB 16445, posterior fragment of right dentary; for now, I will retain the Placosaurus indet. taxon occurrence here for those other specimens. Specimen IRScNB D02 now assigned to Placosaurus ragei by ref. 60336.
 Cimolesta - Pantolestidae
Palaeosinopa russelli19 Smith 1997 eutherian
isolated teeth
 Primates - Plesiadapidae
"Platychoerops georgei" = Plesiadapis tricuspidens13
"Platychoerops georgei" = Plesiadapis tricuspidens13 Gervais 1877 primate
from "Dormaal" and "in the private collection of Dr. Gigase"
 Primates - Omomyidae
Teilhardina belgica n. gen. n. sp.12
Teilhardina belgica n. gen. n. sp.12 Teilhard de Chardin 1927 primate
IRSNB M 64 - type
 Tribosphenida - Adapisoriculidae
Remiculus cf. deutschi7 Russell 1964 placental
Bustylus sp.7 Gheerbrant and Russell 1991 placental
 Glires -
Rodentia indet.7 Savage 1951 rodent
 Rodentia -
Pseudoparamys "n. sp."7 Michaux 1964 rodent
cf. Pseudoparamys sp.7 Michaux 1964 rodent
 Rodentia - Ischyromyidae
Microparamys nanus7 Teilhard de Jardin 1927 rodent
Paramys sp.7 Leidy 1871 rodent
Meldimys sp.7 Michaux 1968 rodent
 Tribosphenida - Phenacodontidae
Phenacodus teilhardi15 condylarth
IRSNB M 88 - type
 Perissodactyla -
"Teilhardimys musculus" = Teilhardimys musculus7 Kretzoi and Kretzoi 2000 odd-toed ungulate
"Microhyus musculus n. gen. n. sp." = Teilhardimys musculus23 Kretzoi and Kretzoi 2000 odd-toed ungulate
IRSNB M115 - holotype (left m1); referred material: IRSNB M1340 (= DI− 2077RS) left p2; DIIC2037RS, right p2; IRSNB M1336, left p4; DIIA1905RS, left p4; IRSNB M1337 (= DIII794RS), left m1; D62, right m2; IRSNB M1338, right m2; IRSNB M1339, left m3; IRSNB M1341, right DP4; D61, left M1 (or M2); DIIA1280RS left ?M2; DIIC1934RS, right M3; IRSNB M1342 (= DIIC623RS), right M3
Paschatherium yvetteae7 odd-toed ungulate
Paschatherium "sp. 1"7 Russell 1963 odd-toed ungulate
Paschatherium "sp. 2"7 Russell 1963 odd-toed ungulate
Paschatherium dolloi7 Teilhard de Chardin 1927 odd-toed ungulate
 Tribosphenida - Nyctitheriidae
Wyonycteris richardi17, "Leptacodon dormaalensis" = Plagioctenodon dormaalensis18
Wyonycteris richardi17 Smith 1995 placental
jaws and teeth
"Leptacodon dormaalensis" = Plagioctenodon dormaalensis18 Quinet 1964 placental
jaws and teeth
 Creodonta - Oxyaenidae
"Palaeonictis gigantea" = Palaeonictis gigantea20, "Dormaalodon woutersi n. gen. n. sp." = Palaeonictis gigantea20, "Arfia woutersi n. sp." = Oxyaena woutersi20
"Palaeonictis gigantea" = Palaeonictis gigantea20 de Blainville 1842 creodont
IRSNB M1355 (LP/4)
"Dormaalodon woutersi n. gen. n. sp." = Palaeonictis gigantea20 de Blainville 1842 creodont
IRSNB M1474 - holotype (RM/1); referred material: IRSNB M1466 (LM/1)
"Arfia woutersi n. sp." = Oxyaena woutersi20 Lange-Badré and Godinot 1982 creodont
IRSNB M1319 - type (LM1/ (or LDP4/?)); referred material (IRSNB M1318, RP/3,4; IRSNB M1320, LM1/)
 Ferae -
Gracilocyon solei n. gen. n. sp.21, "Miacis latouri n. sp." = Dormaalocyon latouri21
Gracilocyon solei n. gen. n. sp.21 Smith and Smith 2010 placental
IRNSB M 1327 - type
"Miacis latouri n. sp." = Dormaalocyon latouri21 Quinet 1966 placental
IRNSB M 1360 - type
 Macroscelidea - Louisinidae
Louisinidae "n. gen."7 Hooker and Russell 2012 elephant shrew
 Macroscelidea - Amphilemuridae
Macrocranion germonpreae7 Smith 1997 elephant shrew
Macrocranion vandebroeki n. sp.15 Quinet 1964 elephant shrew
IRSNB M 66 - type
 Tribosphenida - Arctocyonidae
Landenodon woutersi n. sp.7 Quinet 1968 condylarth
 Hyaenodonta - Hyaenodontidae
Galecyon morloi n. sp.20 Smith and Smith 2001 eutherian
IRSNB M1314 - type (LM/1); paratypes (IRSNB M1312, RDP/4; IRSNB M1313, RP/4; IRSNB M1315, RM/2; IRSNB M916, RM/3; IRSNB M1316, RP4/; IRSNB M1317, LM1,2/.); referred material (DIII175RS, LP/4; D137, LM/1; CL89, RM/1; DIII176RS, LM/1; Do291PG, RM/1; Do306PG, RM/1?; TS44, LP4/ (labial part); DIII478RS, RDP4/?; IRSNB M1357, M1,2/d; CL94, LM1,2/)
Prototomus girardoti n. sp.20 Smith and Smith 2001 eutherian
IRSNB M1297 - type (RM/1); paratypes (IRSNB M1296, RDP/4; IRSNB M1298, RM/3; IRSNB M1299, RP4/; IRSNB M1300, RM3/.)
Prototomus minimus n. sp.20 Smith and Smith 2001 eutherian
IRSNB M1287 - type (LM/1); paratypes (IRSNB M1285, RDP/4; IRSNB M1286, RP/4; IRSNB M1288, LM/2; IRSNB M1289, RM/3; IRSNB M1356, RDP4/; IRSNB M1290, LP4/; IRSNB M1291, LM1/; IRSNB M1292, RM2/; IRSNB M1293, LM3/; IRSNB M1294, edentulous fragment of left mandible; IRSNB M1295, edentulous fragment of left mandible); referred material (DI1471RS, RP/3?; DIIC1389RS, RDP/4; TS5, RDP/4; TS6, LDP/4; Do1713PG, RDP/4; DIIA2296RS, RP/4; CL706, RP/4; TS7, RP/4; TS8, LP/4; TS9, RP/4; IRSNB M919, RM/1; DI1429RS, LM/1; DIIC1681RS, LM/1; DIII325RS, RM/1; DIII80RS, RM/1; DIIC1574RS, LM/1; DIII82RS, RM/1; TS10, LM/1; TS11, RM/1; TS12, LM/1; TS13, LM/1; DIII258RS, LM/1 ; WL167, LM/2; WL158, LM/2; CL102, LM/2; TS14, LM/2; TS15, RM/2; TS16, LM/2; TS17, RM/2; TS18, LM/2; DIII81RS, LM/2; DIII264RS, RM/2; DIII79RS, RM/2; DIIA1910RS, RM/2; DIII364RS, LM/2; IRSNB M917, RM/3; TS19, RM/3; TS20, RM/3; CL379, LDP4/; DIIC624RS, RDP4/; DIIC625RS, RDP4/; DIIC1557RS, LDP4/; DIIA1912RS, LDP4/ ; TS21, RDP4/; IRSNB M72, RM1/; IRSNB M80, LM1/; DIII363RS, LM1/; TS22, LM1/; TS23, RM1/ (broken); TS24, LM1/ (broken); DIII312RS, RM2/ (broken); DIII72RS, LM2/ (broken); DIIA1782RS, RM3/; TS25, RM3/; TS26, RM3/ (broken); TS29, edentulous fragment of right mandible); previously referred to Prolimnocyon
Arfia gingerichi n. sp.20 Smith and Smith 2001 eutherian
IRSNB M1275 - type (RM/3); paratypes: IRSNB M1301, LP/3; IRSNB M1302, RDP/4; IRSNB M1303, RP/4; IRSNB M1304, RM/1; IRSNB M1305, RM/2; IRSNB M1306, LM/3; Referred material: CL44, LP/3; CL46, LP/3; CL47, LP/3; DIII173RS, RP/3; DIIC643RS, LP/3; TS30, LP/3; TS31, RP/3; TS32, LP/3 (broken); D83, LDP/4 (trigonid); DC143, RDP/4; DIIC641RS, RP/4; DIIC1687RS, LP/4; IRSNB M1276, RM/1; IRSNB M1277, LM/1; DIII1315RS, LM/1; DIIC250RS, LM/1; TS34, RM/2; TS35, RM/2 (trigonid); TS36, RM/3 (trigonid); DIII177RS, RM/3; DIII261RS, RM/3; TS42, LM/3 (worn); Do1712PG, RM/3 (trigonid); TS37, RP2/?; Do832, LP3/; DI1426RS, LP3/; CL37, LP4/ (labial part); DL1, RM1/; DD8, LM1/; TS39, RM1/ (lingual part); DI1849RS, LM3/; TS41, LM3/; some of these remains previously referred to Arfia woutersi and then to Arfia junnei
 Theriiformes - Herpetotheriidae
Peratherium constans7 Teilhard de Jardin 1927 marsupial
Amphiperatherium dormaalense8 marsupial
Om.158, Upper M2; Om.159, Upper M2
 Artiodactyla - Diacodexeidae
Diacodexis gigasei15 Smith 1996 even-toed ungulate
IRSNB M 1815 - type
 Sarcobora - Apatemyidae
Apatemys sp.16 Marsh 1872 insectivoran
Apatemys teilhardi n. sp.16 Russell et al. 1979 insectivoran
 Multituberculata - Neoplagiaulacidae
Neoplagiaulacidae indet.10 Ameghino 1890 multituberculate
QB279 and 280 (teeth)