49 downloads
109 views

Background Since 1996, when Vivo questioned how many species of mammals occur in Brazil, there has been a huge effort to assess this biodiversity. In this contribution, we present new records for rare species of the sigmodontine rodent genera Rhagomys and Neusticomys...

["Biodiversity","Biogeography","Conservation Biology","Taxonomy","Zoology"]
doi:10.7717/peerj.4071
18 downloads
49 views

The mitochondrial genome of moss Mielichhoferia elongata has been sequenced and assembled with Spades genome assembler. It consists of 100,342 base pairs and has practically the same gene set and its order as in other known bryophyte chondriomes. The genome contains...

["Biodiversity","Evolutionary Studies","Genomics","Plant Science","Taxonomy"]
doi:10.7287/peerj.preprints.3465v1
114 downloads
697 views

Background Helopanoplia distincta is an extinct soft-shelled turtle (Pan-Trionychidae) for which the type specimen is a fragmentary costal and the inguinal notch portion of the left hypoplastron from the Late Cretaceous (Maastrichtian) Lance Formation of Wyoming,...

["Evolutionary Studies","Paleontology","Taxonomy"]
doi:10.7717/peerj.4169
55 downloads
264 views

Accurate taxonomic resolution in light microscopy analyses of microalgae is essential to achieve high quality, comparable results in both floristic analyses and biomonitoring studies. A number of closely related diatom taxa have been detected to date co-occurring...

["Bioinformatics","Ecology","Marine Biology","Taxonomy","Freshwater Biology"]
doi:10.7717/peerj.4159
106 downloads
990 views

The present study entails descriptions of several well-preserved skulls from the pampathere species Holmesina floridanus, recovered from Pliocene localities in central Florida and housed in the collections of the Florida Museum of Natural History. Bone by bone...

["Evolutionary Studies","Paleontology","Taxonomy"]
doi:10.7717/peerj.4022
134 downloads
703 views

The Permian from China has a well-known terrestrial record where approximately 30 tetrapod taxa, including several therapsids, have been described. However, the record of therocephalians in China has remained elusive. Shiguaignathus wangi gen. et sp. nov., discovered...

["Paleontology","Taxonomy"]
doi:10.7717/peerj.4150
36 downloads
180 views

Introduction Aquatic oligochaetes represent valuable indicators of the quality of sediments of watercourses and lakes, but their difficult identification based on morphological criteria compromises their more common use for eco-diagnostic analyses. This issue could...

["Biodiversity","Ecology","Genetics","Taxonomy","Zoology"]
doi:10.7717/peerj.4122
23 downloads
114 views

Background Although many new species to science have been discovered from thousands of specimens resulting from botanical inventories to support conservation management in Cameroon in recent years, additional species remain to be formally evaluated taxonomically...

["Biodiversity","Plant Science","Taxonomy"]
doi:10.7717/peerj.4137
53 downloads
254 views

Background The corallum is crucial in building coral reefs and in diagnosing systematic relationships in the order Scleractinia. However, molecular phylogenetic analyses revealed a paraphyly in a majority of traditional families and genera among Scleractinia showing...

["Marine Biology","Taxonomy"]
doi:10.7717/peerj.4074
84 downloads
469 views

Background The deep-sea hydrothermal vent is one of the most ‘extreme’ environments in the marine realm. Few species are capable of inhabiting such ecosystems, despite extremely high productivity there supported by microbial chemosynthesis, leading to high biomass...

["Biodiversity","Ecology","Marine Biology","Taxonomy","Zoology"]
doi:10.7717/peerj.4121
270 downloads
1,788 views

During the Late Cretaceous, the continent of North America was divided into two sections: Laramidia in the west and Appalachia in the east. Although the sediments of Appalachia recorded only a sparse fossil record of dinosaurs, the dinosaur faunas of this landmass...

["Biogeography","Paleontology","Taxonomy"]
doi:10.7717/peerj.4123
1,641 downloads
3,645 views

The "Angiosperm Phylogeny Poster – Flowering Plant Systematics" is an educational tool presenting an overview of the evolutionary relationships among flowering plants according to APG IV and APweb as of 2016. The phylogenetic tree depicts the 64 orders and the...

["Biodiversity","Evolutionary Studies","Plant Science","Taxonomy","Science and Medical Education"]
doi:10.7287/peerj.preprints.2320v4
40 downloads
204 views

Galianthe (Rubiaceae) is a neotropical genus comprising 50 species divided into two subgenera, Galianthe subgen. Galianthe, with 39 species and Galianthe subgen. Ebelia, with 11 species. The diagnostic features of the genus are: usually erect habit with xylopodium,...

["Conservation Biology","Plant Science","Taxonomy"]
doi:10.7717/peerj.4012
75 downloads
178 views

Currently the National Center of Biotechnology Information (NCBI) assigns individual taxonomy identifiers to each distinct influenza virus isolate submitted to GenBank. To support this practice, individual flu isolates must be manually added to the NCBI taxonomy...

["Bioinformatics","Computational Biology","Taxonomy","Virology","Science Policy"]
doi:10.7287/peerj.preprints.3428v1
179 downloads
2,144 views

Convergent evolution can provide insights into the predictability of, and constraints on, the evolution of biodiversity. One striking example of convergence is seen in the ‘river dolphins’. The four dolphin genera that make up the ‘river dolphins’ (Inia geoffrensis,...

["Evolutionary Studies","Taxonomy","Zoology"]
doi:10.7717/peerj.4090

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