Works on Protist diversity and phylogeny

The morphology, morphogenesis, and multi-gene phylogeny of a new hypotrich, Stichotricha koreana sp. nov., from a temporary pond in Gangneung-si, South Korea, were investigated. T…

Three new species of the copepod family Canuellidae Lang, 1944 (Copepoda, Canuelloida) are described from the Western Pacific Ocean, based on specimens collected from coastal wate…

A new hypotrich ciliate, Anteholosticha nanjiensis sp. nov., was isolated from a sandy beach in Wenzhou, China. Its morphology was investigated using detailed live observation and…

Millipedes (class Diplopoda) are vital soil invertebrates that play key roles in litter decomposition and nutrient cycling. However, their phylogenetic relationships remain poorly…

The Echinorhynchidae has a long research history, but its mitochondrial genome evolution remains poorly understood, hindering phylogenetic resolution. In this study, we report the…

Scutigeromorph centipedes are morphologically distinctive myriapods that have historically received limited scientific attention, particularly in China. The taxonomy of the genus …

Extensive convergence led to poorly understood systematics of stick insects (Phasmatodea) in the past. Both Sceptrophasma bituberculatum and Macellina souchongia belong to the tri…

The morphology and molecular phylogeny of the new soil ciliate, Monomicrocaryon trimarginalis sp. nov., which was discovered in the soil of from Gwangdeok Mountain, Hwacheon-Gun, …

A novel hypotrichous ciliate, Oxytricha chongqingica sp. nov., was identified in Chongqing, southwestern China. This species is distinguishable from congeners by various qualitati…

The pauropod family Colinauropodidae Scheller, 1985 is recorded from China for the first time. Three new species of the genus Colinauropus Remy, 1956 are described: Colinauropus c…

The shallow underground of rock debris is a unique animal refuge. Nevertheless, the research of this habitat lags far behind the study of caves and soil, due to technical and time…

We describe a new species of polyclad flatworm, Paraplehnia seisuiae sp. nov., from 298–310 m depths in the Sea of Kumano, West Pacific, Japan. Paraplehnia seisuiae sp. nov. is ch…

Epibiosis is very common between crustaceans and ciliates where the calcified surface of the crustacean body provides a suitable substrate for ciliate colonization. The aim of thi…

In a fauna survey in the eastern margin of Serra do Espinhaço Plateau, in an area belonging to the Brazilian savanna (Cerrado phytophysiognomy), a land flatworm was sampled in a f…

Starengovia quadrituberculata sp. n. is described and illustrated based on male and female specimens collected in Yunnan Province, China. The new species is distinct from the two …

A new species of the genus Issoca (Platyhelminthes, Tricladida, Geoplaninae) is described. Issoca assanga sp. n. presents the diagnostic features of the genus, with the exception …

The fourth species of the Asian genus Cladolasma, C. ailaoshan sp. n. is described from specimens collected in Yunnan Province, China. The new species is distinct from C. parvulum…

Epibiosis between ciliates and feather duster worms (Sabellidae) remains poorly known and has been documented in only four species, belonging to the genera Eudistylia, Laonome, Sc…

The Momoge wetland plays an important role in maintaining the ecosphere and protist is an indispensable component of it. In order to reveal community structure and diversity of pr…

This study investigates the taxonomic composition, richness and diversity of microbial and metazoan communities in two adjacent ecosystems — a preserved Native Forest and a Highla…

Microbial eukaryotes play a vital role in biogeochemical cycles and aquatic food webs. Over past decades, their taxonomic diversity has been investigated using short-read DNA meta…

Metabarcoding of vertebrate DNA derived from invertebrates (iDNA) is a promising method for monitoring of mammal assemblages. However, optimization of field and laboratory methods…

Metabarcoding offers a powerful approach for assessing benthic biodiversity in remote and understudied deep-sea environments. However, the methodological performance of different …

Environmental DNA (eDNA) is increasingly used in aquatic research and applied biodiversity monitoring, mainly through a metabarcoding approach. This allows detailed analyses of sp…

Monitoring changes in freshwater fauna requires timely, efficient, and comprehensive data collection, needs that are increasingly met by molecular methods. This is especially impo…

DNA metabarcoding of benthic diatoms has been successfully applied for biomonitoring at the national scale and can now be considered technically ready for routine application. How…

Introduced trout can induce trophic cascades, however, a lack of pre-introduction data limits knowledge on their impact in many lakes. Traditional paleolimnological approaches hav…

Aquatic emergent insect communities form an important link between aquatic and terrestrial ecosystems, yet studying them is costly and time-consuming as they are usually diverse a…

During the recent decade, high-throughput sequencing (HTS) techniques, in particular, DNA metabarcoding, have facilitated increased detection of biodiversity, including harmful al…

In this data paper, we describe environmental DNA (eDNA) cytochrome c oxidase (COI) amplicon sequence data from New York City’s Bronx River Estuary. As urban systems continue to e…

Sagami Bay, Japan is influenced by both the warm Kuroshio Current and the cold Oyashio Current and rich nutrients are supplied from multiple river sources and the deep-sea, formin…

Lake sediments hold a wealth of information from past environments that is highly valuable for paleolimnological reconstructions. These studies increasingly apply modern molecular…

Characterising and monitoring biological diversity to foster sustainable ecosystems is highly recommended as urban centres rapidly expand. However, much of New York City’s biodive…

For many organisms, there is agreement on the specific genomic region used for developing barcode markers. With nematodes, however, it has been found that the COI region designate…

The analysis of environmental DNA (eDNA) using metabarcoding has increased in use as a method for tracking biodiversity of ecosystems. Little is known about eDNA in marine human-m…

Characterisation of freshwater benthic biodiversity using DNA metabarcoding may allow more cost-effective environmental assessments than the current morphological-based assessment…

Dinoflagellates are traditionally identified morphologically using microscopy, which is a time-consuming and labour-intensive process. Hence, we explored DNA metabarcoding using h…

Based on a combination of morphological, chemical, and phylogenetic analyses, we report four new species from China: Acarospora carbonacea, A. rorida, Sarcogyne knudsenii, and S. …

During a survey of microfungal diversity in Guizhou Province, southwestern China, four helicosporous taxa were collected and isolated from decaying wood in both freshwater and ter…

The species of the Mortierellaceae family are diverse and widely distributed. Four new species in this family are proposed from rhizosphere soil through a comprehensive taxonomic …

In this paper, we introduce three new species of Simplicillium, viz. S. cicadellidae, S. formicidae and S. lepidopterorum, which were isolated from an infected leafhopper, ant and…

This research is devoted to the study of Mallomonas species from the section Multisetigerae in a tropical region (Vietnam and the Philippines) using electron microscopy and molecu…

This study investigates the Mallomonas adamas species complex in a tropical region using electron microscopy and molecular phylogeny. Analysis of four algal cultures from Vietnam,…

Mallomonas guttata species complex was investigated in a tropical region using electron microscopy and molecular phylogeny. A study of six algal cultures belonging to the M. gutta…

This study presents the first comprehensive investigation of chrysophytes from the Philippines. The flora of silica-scaled chrysophytes from freshwaters of Mindanao Island has bee…

The genus Klebsormidium is a cosmopolitan filamentous alga that belongs to the phylum Charophyta and inhabits a wide range of environments, primarily freshwater, soil, and aerial …

A newly-recorded green algal species in China, identified as Gongrosira leptotricha Raineri, exhibits distinctive morphological characteristics. The thallus of this specimen is sp…

The genus Epipyxis, belonging to the family Dinobryaceae, has been documented to have only sporadic occurrences in freshwater habitats. However, the species diversity of this genu…

During the investigation of the freshwater diatoms from Tibet, a monoraphid species was observed from a hot spring near Anduo County, located on a plateau in the central portion o…

This study deals with Ulnaria species found and described from two regions of China with large climate differences during the period of 2014–2022. The first region, located in the…