Peer-reviewed Articles - Biology

8 downloads
122 views

The selection and validation of proper distinguishing characters are of crucial importance in taxonomic revisions. The modern classifications of orchids utilize the molecular tools, but still the selection and identification of the material used in these studies...

["Plant Science","Taxonomy"]
doi:10.7717/peerj.3609
13 downloads
98 views

Background This paper is a comment on the idea of matrix-free Cladistics. Demonstration of this idea’s efficiency is a major goal of the study. Within the proposed framework, the ordinary (phenetic) matrix is necessary only as “source” of Hennigian trees, not as...

["Bioinformatics","Taxonomy","Computational Science"]
doi:10.7717/peerj.3578
98 downloads
645 views

The Osmundales (Royal Fern order) originated in the late Paleozoic and is the most ancient surviving lineage of leptosporangiate ferns. In contrast to its low diversity today (less than 20 species in six genera), it has the richest fossil record of any extant group...

["Paleontology","Plant Science","Taxonomy"]
doi:10.7717/peerj.3433
59 downloads
284 views

A new species of Scutalus Albers, 1850 (Gastropoda: Bulimulidae), Scutalus chango sp. n., is described from a coastal area of northern Chile. Empty shells of this new species were found buried in sand and under boulders and rocks in the foothills of the Chilean...

["Biodiversity","Biogeography","Taxonomy","Zoology"]
doi:10.7717/peerj.3538
51 downloads
479 views

We herein examine the only known non-planispirally coiled early Devonian ammonoid, the holotype specimen of Ivoites opitzi, to investigate if the host was encrusted in vivo and if these sclerobionts were responsible for the trochospiral coiling observed in this...

["Ecology","Paleontology","Taxonomy"]
doi:10.7717/peerj.3526
113 downloads
449 views

Australian Oligo–Miocene mekosuchines (Crocodylia; Crocodyloidea) display wide diversity in cranial shape and inferred hunting strategies. Terrestrial habitus has been inferred for these distinctive predators. A direct morphological signal for locomotion can be...

["Ecology","Evolutionary Studies","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3501
202 downloads
998 views

Background During the Late Jurassic, several groups of eucryptodiran turtles inhabited the shallow epicontinental seas of Western Europe. Plesiochelyidae are an important part of this first radiation of crown-group turtles into coastal marine ecosystems. Fossils...

["Evolutionary Studies","Paleontology","Taxonomy"]
doi:10.7717/peerj.3482
115 downloads
686 views

Lophotidae, or crestfishes, is a family of rare deep-sea teleosts characterised by an enlarged horn-like crest on the forehead. They are poorly represented in the fossil record, by only three described taxa. One specimen attributed to Lophotidae has been described...

["Biodiversity","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3381
786 downloads
15,909 views

Parrots (Psittaciformes) are a diverse group of birds which need urgent protection. However, many taxa from this order have an unresolved status, which makes their conservation difficult. One species-rich parrot genus is Amazona, which is widely distributed in...

["Evolutionary Studies","Taxonomy","Zoology"]
doi:10.7717/peerj.3475
140 downloads
884 views

In 1941, Abel established Balaena belgica based on a series of fused cervical vertebrae and citing other cranial fragments from the late Neogene of the Antwerp harbor (northern Belgium). Later, Plisnier-Ladame & Quinet (1969) added a neurocranium and other skeletal...

["Evolutionary Studies","Marine Biology","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3464
51 downloads
246 views

Ostracods are one of the major groups of marine benthos, inhabiting virtually all oceanic environments worldwide, and a total of 31 species have been recorded in genus Euphilomedes Kornicker, 1967. In the present study, we describe a new species Euphilomedes biacutidens...

["Biodiversity","Marine Biology","Taxonomy","Zoology"]
doi:10.7717/peerj.3488
34 downloads
203 views

Three species of the sea stars are reported from the waters of the northwestern Pacific. These species were referred by earlier authors as Henricia spiculifera or H. leviuscula spiculifera. Two of them, H. lineata and H. uluudax, were recently described from the...

["Biodiversity","Marine Biology","Taxonomy","Zoology"]
doi:10.7717/peerj.3489
121 downloads
754 views

New records of the Oligo–Miocene mekosuchine crocodylian, Baru, from Queensland and the Northern Territory are described. Baru wickeni and Baru darrowi are accepted as valid species in the genus and their diagnoses are revised. Both species are present in Queensland...

["Biodiversity","Biogeography","Palaeontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3458
145 downloads
1,001 views

A species known from earlier behavioural studies as “Holoplatys sp.”, is described as Trite pollardi sp. nov. Within the genus Trite, two species groups are distinguished: the planiceps-group (found in New Caledonia, New Zealand, Lord Howe Island and Norfolk Island)...

["Taxonomy","Zoology"]
doi:10.7717/peerj.3463
93 downloads
337 views

Background In a recent paper, we described a new sponge species named Hemimycale mediterranea Uriz, Garate & Agell, 2017. However, we failed to designate a holotype and a type locality, as required by the International Commission on Zoological Nomenclature (ICZN)....

["Taxonomy","Zoology"]
doi:10.7717/peerj.3426

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