Erquelinnes (Eocene of Belgium)

Also known as Erquellines

Where: Hainaut, Belgium (50.3° N, 4.3° E: paleocoordinates 45.8° N, 1.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Erquelinnes Sand Member (Tienen Formation), Ypresian (56.0 - 47.8 Ma)

• assigned to the Platychoerops doubrei zone (Ypresian) based on presence of Pleisadapis aff. remensis

• bed-level stratigraphic resolution

Environment/lithology: fluvial; lenticular gravel

• lenticular deposits of the basal gravel bed

Size classes: macrofossils, mesofossils

Collected in 1880, 1891, 1922, 1924 and 1958; reposited in the MNHN

Collection methods: quarrying

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 87947: authorized by John Alroy, entered by John Alroy on 29.03.2009, edited by Philip Mannion, David Nicholson, Patricia Holroyd, Matthew Carrano, Evangelos Vlachos and Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Most material stored at IRSNB
Mammalia
 Rodentia - Ischyromyidae
Euromys sp.3 Escarguel 1999 rodent
IRSNB M 2120 and 2121
 Rodentia -
cf. Pseudoparamys sp.3 Michaux 1964 rodent
IRSNB M 2119, right M2
 Primates - Omomyidae
Teilhardina belgica3 Teilhard de Chardin 1927 tarsier
IRSNB M 59, 2124-2126
 Primates - Plesiadapidae
"Platychoerops georgei" = Plesiadapis tricuspidens2
"Platychoerops georgei" = Plesiadapis tricuspidens2 Gervais 1877 primate
described by Teilhard (1927) as Plesiadapis sp.
 Perissodactyla -
Cymbalophus cuniculus3 Owen 1842 odd-toed ungulate
IRSNB M 167
 Perissodactyla - Palaeotheriidae
Pachynolophus maldani odd-toed ungulate
 Perissodactyla - Equidae
cf. Sifrhippus sandrae3 Gingerich 1989 horse
IRSNB M 130
 Perissodactyla -
Paschatherium cf. yvettae3 Gheerbrant et al. 1997 odd-toed ungulate
IRSNB M 2144-2149
 Theriamorpha - Phenacodontidae
Phenacodus teilhardi3 condylarth
IRSNB M 129
 Artiodactyla - Diacodexeidae
Diacodexis gigasei3 Smith 1996 even-toed ungulate
IRSNB M 2143
 Procreodi - Arctocyonidae
Landenodon woutersi3 Quinet 1968 condylarth
IRSNB M 2140 and 2141
 Creodonta - Hyaenodontidae
Arfia gingerichi6 Smith and Smith 2001 creodont
IRSNB M 2133 and 2134
 Theriamorpha - Viverravidae
Didymictis sp. Cope 1875 placental
 Theriamorpha -
Gracilocyon solei3 Smith and Smith 2010 placental
IRSNB M 2139
Dormaalocyon latouri3 Quinet 1966 placental
IRSNB M 2135-2138
 Acreodi - Mesonychidae
Dissacus europaeus3 Lemoine 1891 condylarth
 Macroscelidea - Amphilemuridae
Macrocranion vandebroeki3 Quinet 1964 elephant shrew
IRSNB M 2122 and 2123
 Cimolesta - Coryphodontidae
Coryphodon eocaenus Owen 1846 pantodont
IRSNB M 132, 2127-2132
Reptilia
 Testudines - Pancheloniidae
Argillochelys antiqua, "Dollochelys casieri n. gen. n. sp." = Euclastes wielandi7
Argillochelys antiqua König 1825 turtle
"Dollochelys casieri n. gen. n. sp." = Euclastes wielandi7 Hay 1908 turtle
 Testudines - Trionychidae
Trionychidae indet.1 Gray 1825 softshell turtle
small form
Axestemys sp.5 Hay 1899 softshell turtle
IRSNB R435 (Reg. 3914), a partial postcranial skeleton probably belonging to a single individual, which preserves scarce remains of the shell (Fig. 14(A–F)), but also elements of both the appendicular skeleton (Fig. 14(G–P)) and the pelvic girdles (Fig. 14(Q–AD)), and several vertebrae (Fig. 15).
"Trionyx vittatus" = Axestemys vittata Pomel 1847 softshell turtle
Trionyx henrici Owen and Bell 1849 softshell turtle
 Testudines - Cheloniidae
Erquelinnesia gosseleti n. gen. n. sp.4
Erquelinnesia gosseleti n. gen. n. sp.4 Dollo 1886 sea turtle
 Crocodylia -
"Crocodylus depressifrons" = Asiatosuchus depressifrons
"Crocodylus depressifrons" = Asiatosuchus depressifrons Blainville 1855 crocodilian
IRSNB R251 (IG 1567), fragmentary skull
 Choristodera - Simoedosauridae
"Champsosaurus lemoinei" = Simoedosaurus lemoinei
"Champsosaurus lemoinei" = Simoedosaurus lemoinei Gervais 1877 choristodere
Actinopteri
 Lepisosteiformes - Lepisosteidae
 Amiiformes - Amiidae
Amia sp. Linnaeus 1766 bowfin