Results 41 to 50 of about 19,454 (266)

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source

Flora do Ceará, Brasil: Polygonaceae

open access: yesRodriguésia
Resumo Polygonaceae tem ampla distribuição no Brasil e foi registrada em diferentes domínios fitogeográficos. Os representantes desta família são reconhecidos por apresentar folhas simples, alternas e inteiras, caules e ramos com nós e entrenós bem ...
Francisco Romário Silva Tabosa   +3 more
doaj   +1 more source

A new species of Lonchidiidae (Hybodontiformes) from the Late Jurassic of Brazil (Aliança Formation, Jatobá Basin)

open access: yesThe Anatomical Record, EarlyView.
Abstract The Aliança Formation (Jatobá Basin) represents lacustrine deposits formed in oxygenated waters that hosted a diverse fauna, including Hybodontiform sharks. Within this group, the Family Lonchidiidae comprises 11 valid genera, with Parvodus previously reported in Brazilian deposits from the Brejo Santo Formation (Araripe Basin, Late Jurassic ...
Larissa de Souza Ribeiro   +1 more
wiley   +1 more source

Flora of Ceará, Brazil: Vochysiaceae [PDF]

open access: yesRodriguésia
As part of the “Flora of Ceará: Knowing to Conserve” project, this study aimed to contribute to the knowledge of the diversity and distribution of Vochysiaceae species in the state of Ceará.
Igor Renan Bonfim de Souza   +3 more
doaj   +1 more source

Vanilla bahiana Hoehne and Vanilla pompona Schiede (Orchidaceae, Vanilloideae): two new records from Maranhão state, Brazil [PDF]

open access: yesCheck List, 2017
We present here the first records of Vanilla bahiana and Vanilla pompona from Maranhão state, northeastern Brazil. Both species were collected in a gallery forest, in areas of Cerrado vegetation at Caxias municipality.
Alessandro Wagner Coelho Ferreira   +5 more
doaj   +3 more sources

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

Heliotropium L. (Boraginaceae - Heliotropioideae) de Pernambuco, Nordeste do Brasil,

open access: yesRodriguésia
RESUMO Foi realizado o estudo taxonômico do gênero Heliotropium L. no estado de Pernambuco, utilizando-se espécimes coletados em campo por um período de 16 meses, além de materiais de empréstimo e/ou doação provenientes de vários herbários nacionais ...
José Iranildo Miranda de Melo   +1 more
doaj   +1 more source

Flora of Ceará, Brazil: Onagraceae

open access: yesRodriguésia, 2021
This study aimed to provide the floristic survey of Onagraceae in Ceará state. The floristic study consisted of analyzing material deposited in the herbaria EAC, ESA, FUEL, HCDAL, HUEFS, HUVA, HVASF, INPA, K, MO, NY, P, RB, UFRN and US, as well as field ...
Hugo Pereira do Nascimento   +1 more
doaj   +1 more source

Male reproductive system in stenopodidean shrimps: Unveiling basal reproductive traits in shrimp‐like Pleocyemata (Stenopodidae and Spongicolidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract Stenopodidea represents one of the basal lineages within Pleocyemata, yet the male reproductive system (MRS) of this group remains poorly understood, with limited information available regarding its morphology and function. This study provides the first detailed description of the MRS in four stenopodidean shrimp species from two families ...
Caio Santos Nogueira   +2 more
wiley   +1 more source

Synopsis of Orchidaceae from Serra do Urubu: an area of montane forest, Pernambuco State, Brazil

open access: yesHoehnea
This study provides a survey of Orchidaceae species in an area of montane Atlantic Forest in the State of Pernambuco, Brazil. The study area comprises two conservation units (RPPN Frei Caneca and RPPN Pedra D’Anta), forming together the Serra do Urubu ...
Edlley Pessoa, Marccus Alves
doaj   +1 more source

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