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Comparative histology and ontogenetic change in the carapace of armadillos (Mammalia: Dasypodidae)
(Springer, 2015-12)
Among extant mammals, the presence of osteoderms is limited to armadillos (Xenarthra, Dasypodidae), being one of its distinctive features. The osteoderms are articulated to form a carapace that covers their body dorsally. ...
Clinal variation in carapace shape in the South American freshwater crab, Aegla uruguayana (Anomura: Aeglidae)
(Oxford University Press, 2014-11)
South America has been influenced by different geoclimatic events ever since its separation from Africa. The inland water fauna has evolved in response to the changing landscape. Currently, there are indications of variations ...
Combination of analytic techniques to chemical characterization and preservation of Jurassic clam shrimp carapaces from La Matilde formation, Patagonia
(Pergamon-Elsevier Science Ltd, 2021-08)
Chemical studies of fossil clam shrimps have taken relevance in the possibility of inferring about fossilization processes. Laser–induced Breakdown Spectroscopy (LIBS) is an attractive technique for geological analyses ...
Conchostráceos da formação Rio do Rasto (bacia do Paraná, permiano superior) no Estado do Paraná e no norte do Estado de Santa Catarina
(Universidade de São Paulo, Instituto de Geociências, 1987)
Postembryonic development of nonmarine ostracod Chlamydotheca arcuata (Sars, 1901) (Crustacea: Ostracoda), reared in the laboratory
(Tubitak Scientific & Technical Research Council Turkey, 2017-01)
We describe here 8 instars (from A-8 through A-1) of the life cycle of the Cyprididae Chlamydotheca arcuata (Sars, 1901) from hatching to sexually mature individuals. To study the life cycle of this species, we established ...
Nuevo gliptodonte (Mammalia, Glyptodontoidea) del Cuaternario de la provincia del Chaco (Argentina)
(Asociacion Paleontologica Argentina, 2002-06-30)
Chacus paskoensis is described as a new genus and species of glyptodont, based on remains from Quaternary sediments exposed at Avia Terai (Chaco province). The ornamentation of the dorsal carapace and the caudal tube ...
The morphology and systematics of the clam shrimp Platyestheria gen. nov. abaetensis (Cardoso) (Crustacea, Spinicaudata) from the Lower Cretaceous of the Sanfranciscana Basin, southeast Brazil
(Academic Press Ltd - Elsevier Science Ltd, 2018-11)
New specimens of the clam shrimp ‘Pseudestheria’ abaetensis Cardoso, 1971 (Spinicaudata) are described. The material was collected from the Quiricó Formation (Lower Cretaceous of the Sanfranciscana Basin), at the same ...
Relative growth and morphological sexual maturity size of the freshwater crab Trichodactylus borellianus (Crustacea, Decapoda, Trichodactylidae) in the Middle Paraná River, Argentina
(Pensoft Publishers, 2014-12)
The relative growth of a number of morphological dimensions of the South American freshwater crabTrichodactylus borellianus (Trichodactylidae) were compared and related to sexual dimorphism. Crabs werecollected from ponds ...
Diagnosis and redescription of Panochthus subintermedius Castellanos (Xenarthra, Glyptodontia) from the Ensenadan (early-middle Pleistocene) of Buenos Aires (Argentina)
(Springer Heidelberg, 2011-06)
Panochthus subintermedius was originally named by Castellanos in 1933, without any diagnosis and no type material designated. In 1936, he briefly described and designated a holotype for this species (MACN-Pv 5130) and ...
Un nuevo Glyptodontidae (Mammalia, Xenarthra, Cingulata) del Mioceno de Patagonia (Argentina) y comentarios acerca de la sistemática de los gliptodontes friasensesA new Glyptodontidae (Mammalia, Xenarthra, Cingulata) from the Miocene of Patagonia (Argentina) and comments about the systematics of the "Friasian" glyptodonts
(Universidad Nacional Autónoma de México. Centro de Geociencias, 2011-12)
En esta contribución describimos un nuevo género y especie de Glyptodontidae, proveniente de una nueva localidad fosilífera del Mioceno medio, denominada Tranquera Blanca (noroeste de la provincia del Chubut, Patagonia, ...