Gliridae from the late Oligocene of the province of Teruel (Spain)

Freudenthal, Matthijs; Martín-Suárez, Elvira

doi:10.7203/sjp.34.2.16117

Cited by 3 publications

(10 citation statements)

References 7 publications

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“…Nevertheless, our results (Fig. 12) are not in agreement with this hypothesis, since FS1 is the youngest site where M. koenigswaldi is represented but M. legidensis occurs in younger sites (MAB and CBR sections); it should be the other way round according to Freudenthal & Martín-Suárez, 2019. More probably these were two briefly co-occurring species with different ecological affinities.…”

Section: Biostratigraphic Significance Of the Glirid Faunas From The ...contrasting

confidence: 66%

“…Pictures of the specimens were taken with a Scanning Electron Microscope HITACHI 4800 at the Servei Central de Suport a la Investigació Experimental (SCSIE) of the University of València Estudi General (UVEG). We follow the terminology and measuring methods of García-Paredes et al (2009) and Freudenthal (2004) (Fig. 2).…”

Section: Methodsmentioning

confidence: 99%

“…The systematics of this genus needs a deep review. Some authors, such as Freudenthal & Martín-Suárez (2007b, 2019) divide this genus into three distinct ones ( Bransatoglis , Paraglis, and Oligodyromys ); but, since the main difference between them is size, others authors like De Bruijn et al (2013) only accept Bransatoglis . This genus is characterized by a long geologic record, which extends from the upper Eocene to the Upper Miocene.…”

Section: Systematic Palaeontologymentioning

confidence: 99%

“…monspeliensis , first recorded in the local zone Cb, particularly in the Buñol site (Daams 1981, Vianey-Liaud 2003), which makes its finding in the Ribesalbes-Alcora Basin one of the oldest known records of this taxon. The range of this species extends up to the local zone H. Freudenthal & Martín-Suárez (2019) consider M. legidensis and M. koenigswaldi respectively as ancestor and descendant. Nevertheless, our results (Fig.…”

Section: Biostratigraphic Significance Of the Glirid Faunas From The ...mentioning

confidence: 99%

“…The genus Microdyromys is widely distributed along the European Cenozoic (Freudenthal & Martín-Suárez, 2007a), and it is probably paraphyletic (Lu et al 2021;Dalmasso et al 2022). The first record of this genus is in the locality of Aguatón 2D from the upper Eocene (Freudenthal 2004), while the last representative is Microdyromys sinuosus (Álvarez-Sierra, 1986) from the Upper Miocene of Ampudia 3 (MN10). This genus has also been reported in the Middle Miocene of Asia (Álvarez-Sierra & García-Moreno 1986;García-Paredes et al 2010).…”

Section: Remarksmentioning

confidence: 99%

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They are all over the place!The exceptional high biodiversity of dormice in the Early Miocene of the Ribesalbes-Alcora Basin (Spain)

Crespo,

Ríos,

Marquina-Blasco

et al. 2023

Geodiversitas

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Section: Biostratigraphic Significance Of the Glirid Faunas From The ...contrasting

confidence: 66%

Section: Methodsmentioning

confidence: 99%

Section: Systematic Palaeontologymentioning

confidence: 99%

Section: Biostratigraphic Significance Of the Glirid Faunas From The ...mentioning

confidence: 99%

Section: Remarksmentioning

confidence: 99%

See 3 more Smart Citations

They are all over the place!The exceptional high biodiversity of dormice in the Early Miocene of the Ribesalbes-Alcora Basin (Spain)

Crespo,

Ríos,

Marquina-Blasco

et al. 2023

Geodiversitas

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New material of Lophiparamys debequensis from the Willwood Formation (early Eocene) of Wyoming, including the first postcrania of the genus

Zack,

Penkrot

2023

J. Paleontol.

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We report new material of the rare early Eocene rodent Lophiparamys debequensis Wood, 1962 from the Willwood Formation of the southern Bighorn Basin, north-central Wyoming. The new material constitutes the first record of L. debequensis from the Bighorn Basin and documents aspects of the anatomy of Lophiparamys that were previously unknown, including a portion of the maxilla and a portion of the tarsus. The maxillary fragment demonstrates that Lophiparamys has a small P3 and a relatively large infraorbital canal. The tarsus of Lophiparamys is similar to that of other early rodents but differs in a few features that suggest an arboreal locomotor repertoire, including an asymmetric astragalar trochlea, long astragalar neck, transverse astragalar sustentacular facet, short calcaneal tuber, elongate calcaneal ectal facet, and circular calcaneal cuboid facet. The presence of arboreally adapted features in the tarsus of Lophiparamys is consistent with a hypothesized relationship between small-bodied Eocene microparamyine rodents and extant Gliridae. Phylogenetic analysis fails to consistently support this relationship or monophyly of Microparamyinae, but both remain plausible. Comparison of L. debequensis with other species of the genus emphasizes the distinctiveness of L. debequensis and suggests the presence of multiple lineages of Lophiparamys.

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Large-sized fossil hamsters from the late Middle Pleistocene Locality 2 of Shanyangzhai, China, and discussion on the validity of Cricetinus and C. varians (Rodentia: Cricetidae)

Xie¹,

Zhang²,

Li³

2023

PeerJ

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A detailed morphological description and comparative study were conducted on numerous large-sized hamster remains collected from the late Middle Pleistocene Locality 2 of Shanyangzhai (Syz 2), Hebei Province, China. The comparisons reveal that these fossils are highly similar to the extant Tscherskia triton in size and morphology, including the small degree of alternating between the main opposite cusps on M1-3, the presence of axioloph on M3, and mesolophids on m1-2 that are present but seldom reach the lingual margin of the teeth, among other features. However, minor differences between the two still exist. Consequently, all these fossils are designated as a chronosubspecies of the extant species, T. triton varians comb. nov. The skull and molar morphologies of Cricetinus varians and T. triton were meticulously compared to resolve the long-standing debate regarding the validity of Cricetinus Zdansky, 1928 and C. varians Zdansky, 1928. The findings indicate that the differences between the two are slight; as a result, C. varians can only be considered a chronosubspecies of T. triton, i.e., T. triton varians comb. nov., and Cricetinus should be recognized as a junior synonym of Tscherskia. We tentatively propose that, among the seven species once referred to Cricetinus, C. europaeus, C. gritzai, C. janossyi, and C. koufosi should be reassigned to Tscherskia, while C. beremendensis should be transferred to Allocricetus, and C. mesolophidos to Neocricetodon. Excluding Tscherskia sp. from the Late Pliocene Youhe fauna, there are no reliable Tscherskia fossils in China earlier than the Middle Pleistocene. Based on the current evidence, Tscherskia may have originated from Neocricetodon during the Early Pliocene in Europe and subsequently spread to Asia. T. triton is its sole surviving representative, which now exclusively inhabits East Asia.

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Gliridae from the late Oligocene of the province of Teruel (Spain)

Cited by 3 publications

References 7 publications

They are all over the place!The exceptional high biodiversity of dormice in the Early Miocene of the Ribesalbes-Alcora Basin (Spain)

They are all over the place!The exceptional high biodiversity of dormice in the Early Miocene of the Ribesalbes-Alcora Basin (Spain)

New material of Lophiparamys debequensis from the Willwood Formation (early Eocene) of Wyoming, including the first postcrania of the genus

Large-sized fossil hamsters from the late Middle Pleistocene Locality 2 of Shanyangzhai, China, and discussion on the validity of Cricetinus and C. varians (Rodentia: Cricetidae)

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