They have an initial and you will upright postprotocrista labially situated. New preprotocrista, relatively straight, satisfies a properly-build parastyle. The new metaconule is a bit shorter and that is huge with the M3. Brand new premetaconulecrista while the fossae are pretty straight forward rather than neocrista. The newest posterior fossa are angled, particularly with the M3. Out of straight on M1, this new postmetaconulecrista becomes sigmoidal into M3, skipping new metacone. The newest labial cusps are located in an identical axis with relatively straight cristae. New paracone labial rib try salient, however, in place of anterior groove. There is absolutely no metacone labial rib. The fresh con el fin de-, meso-, and you can metastyles was outstanding. The fresh new lingual cingulum is quite weakened so you can missing like the entostyle.
The brand new submitted design of next down premolar is normal to possess derived base pecoran and you will top pecoran into the which have a highly-build mesolingual conid and posterior cristid , . Additionally, the current presence of a tooth socket on the p1 excludes an attribution in order to Prodremotherium or Mosaicomeryx . Even when the teeth aren’t since the bunoselenodont such as Amphitragulus elegans, the referred specimens have very ancient have, particularly a very less metastylid, a reduced crown, a little postentocristid, and although laterally compacted, bulged lingual cuspids to your all the way down molars. Each one of these characteristics exclude an affiliation so you can possibly Dremotherium or Bedenomeryx , . Additionally, the most small size out-of “Amphitragulus” quercyi are a pinpointing function for the latest Oligocene ruminants from European countries , , , .
Dremotherium cf. guthi regarding Gaimersheim1: step one remaining maxillary limbs on the enamel row M1-M3 (SNSB-BSPG 1952II4855). out-of Mailhat: 2 remaining P4-M2 (MNHN LIM154). Babameryx engesseri of Gaimersheim1: 3 leftover fragmentary mandible which have m2 (SNSB-BSPG 1952II4818), (a) lingual, (b) labial, and you will (c) occlusal feedback. The dimensions pub was dos cm.
Holotype called specimens pointers
Holotype. Jehenne (1987) possess designated the latest specimen IPHEP LM.1969.MA.40 while the holotype. This will be a limited proper maxillary limbs which have P3-M3 (, Fig. 2), out-of Los angeles Milloque (MP29, France).
Referred specimens. Mailhat MNHN LIM154 left P4-M2 (which performs, Fig. six.2); Gaimersheim1 SNSB-BSPG 1952II4855 remaining maxillary which have M1-M3 (which really works, Fig. 6.1); SNSB-BSPG 1952II4870 right m2.
Lower permanent dentition. The lower molar is very badly managed. However, this larger ruminant features a totally selenomorph trigonid. The fresh cristid is elongated plus the cuspids is highest with the tooth slightly pleated. The fresh new metastylid try well-developed.
Upper long lasting dentition. This new P4 was poorly kept. All of the lingual region are missing. The fresh new anterolabial cone and has a failure labial rib. Brand new prior stylid was broken. New rear a person is small however, present. No neocrista obstructs the fresh new fossa. The latest quadratic upper molars within the occlusal evaluate sustain a properly-setup metaconule somewhat smaller than the fresh protocone. The fresh cusps have become selenomorph. The brand new preprotocrista together with postmetaconulecrista are labially built and you can a little straight. The new postprotocrista try enough time, highly curved, and labially oriented. It could be totally isolated (SNSB-BSPG 1952II4855) otherwise bonded (MNHN LIM154) into the premetaconulecrista. The second concludes in the axis of mesostyle. The brand new rear basin can be possess a small metaconule bend into M2, huge into the M3. This new paracone, having good paracone rib, plus the metacone, labially flat and you can concave, is aimed. The latest mesostyle and parastyle are well establish. It means round quick articles. This new mesostyle try larger out-of M1 so you can M3. The fresh new entostyle are poor or absent. There was neither an excellent lingual cingulum encompassing the latest protocone neither an excellent metastyle creating a well-create cuspid. Although not, small prior and you can posterior cingula exists.
This ruminant is fairly cutting-edge in being better-selenodont and having zero lingual cingula for the upper molars, usually contained in Lophiomeryx, Gelocus, Iberomeryx, Mosaicomeryx, and you may Babameryx , , , [61–63], . In contrast to Bachitherium, this kinds does not have an anterior groove for the very large labial paracone rib , , . New learned fossils much more much like the complex base Pecora and also to the latest ancient top Pecora (such as for example Amphitragulus, Dremotherium, Bedenomeryx). The tooth are some pleated, while it is basically simple within the Prodremotherium. Also, the dimensions of these pearly whites is significantly bigger than within the Prodremotherium regarding the old Quercy collections and you may Pech Desse . Tooth be much more selenomorph compared to “Amphitragulus” and Bedenomeryx , , as well as the parastyle is not that anteriorly estimated than simply seen with the “Amphitragulus” feningrei , , . Taking a look at the neodiagnosis proposed from the Mennecart , these types of fossils is all appearing features of Dremotherium. The already laid out variety when you look at the European countries is D. feignouxi (sort of types) and you can D. guthi , , . Aforementioned was quite smaller than the sort species , just like the fossils demonstrated here. D. feignouxi only occurred in Agenian (MN1-MN2; ), while D. guthi resided in the newest Oligocene (MP28-MP30; ). But not, from inside the lack of a lot more well-maintained procedure, a decisive assignation into variety isn’t feasible.