OOIR: Observatory of International Research

Papers

(The median citation count of Zoological Letters is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-09-01 to 2025-09-01.)

Article	Citations
Bones and all: a new critically endangered Pantepui species of Stefania (Anura: Hemiphractidae) and a new osteological synapomorphy for the genus	21
The importance of being integrative: a remarkable case of synonymy in the genus Viridiscus (Heterotardigrada: Echiniscidae)	17
Starvation resistance in the nematode Pristionchus pacificus requires a conserved supplementary nuclear receptor	17
Gene transcriptional profiles in gonads of Bacillus taxa (Phasmida) with different cytological mechanisms of automictic parthenogenesis	16
Neuromuscular organization of the benthic ctenophore, Vallicula multiformis	16
Sexual dimorphism in the tardigrade Paramacrobiotus metropolitanus transcriptome	13
Systematics and phylogeny of the entomopathogenic nematobacterial complexes Steinernema–Xenorhabdus and Heterorhabditis–Photorhabdus	11
Male spiny frogs enter the underwater battlefield with loose skin exhibiting enhanced penetration of capillaries into the epidermis	11
Epimorphic development in tropical shallow-water Nymphonidae (Arthropoda: Pycnogonida) revealed by fluorescence imaging	10
Male Caenorhabditis elegans optimizes avoidance behavior against acute and chronic stress for successful mating with hermaphrodites	10
Effect of temperature cycles on the sleep-like state in Hydra vulgaris	9
Boring life: early colony formation and growth in the endolithic bryozoan genus Penetrantia Silén, 1946	8
Photo-refractoriness reflects bet-hedging strategies deployed in unpredictable environments in male Brandt’s voles	7
Progesterone initiates tendril formation in the oviducal gland during egg encapsulation in cloudy catshark (Scyliorhinus torazame)	7
Correction: Deep-sea ctenostome bryozoans: revision of the family Pachyzoidae, with description of a new genus and three new species from Zealandia	7
A review of the reproductive system in anuran amphibians	6
Detailed morphology of tentacular apparatus and central nervous system in Owenia borealis (Annelida, Oweniidae)	6
Difference in sulfur regulation mechanism between tube-dwelling and free-moving polychaetes sympatrically inhabiting deep-sea hydrothermal chimneys	6
Correction: Morphological and radiological mapping of dental cusps in relation to spatial constraints on tooth shape of one humped camel (Camelus dromedarius)	6
Comparative analysis of Hmx expression and the distribution of neuronal somata in the trigeminal ganglion in lamprey and shark: insights into the homology of the trigeminal nerve branches and the evol	6
Linoleic acid as corpse recognition signal in a social aphid	5
Proteins from shrews’ venom glands play a role in gland functioning and venom production	5
New insights into the retinal microstructure-diurnal activity relationship in the African five-lined skink (Trachylepis quinquetaeniata) (Lichtenstein, 1823)	5
Ancient rivers shaped the current genetic diversity of the wood mouse (Apodemus speciosus) on the islands of the Seto Inland Sea, Japan	5
Photoreceptor genes in a trechine beetle, Trechiama kuznetsovi, living in the upper hypogean zone	5

Potential of Garra rufa as a novel high-temperature resistant model fish: a review on current and future approaches	4
Scleral appearance is not a correlate of domestication in mammals	4
Allogeneic testes transplanted into partially castrated adult medaka (Oryzias latipes) can produce donor-derived offspring by natural mating over a prolonged period	4
Type 1 vomeronasal receptor expression in juvenile and adult lungfish olfactory organ	4
A review of the genus Muusoctopus (Cephalopoda: Octopoda) from Arctic waters	3
The use of polarized light in the zonal orientation of the sandhopper Talitrus saltator (Montagu)	3
Origin of the propatagium in non-avian dinosaurs	3
The more we search, the more we find: discovering and expanding the biodiversity in the ring nematode genus Xenocriconemella De Grisse and Loof, 1965 (Nematoda: Criconematidae)	3
Homology of the head sensory structures between Heterotardigrada and Eutardigrada supported in a new species of water bear (Ramazzottiidae: Ramazzottius)	3
A transphyletic study of metazoan β-catenin protein complexes	3
The lost generation of Pemphigus populiglobuli (Hemiptera, Aphididae): exploring the taxonomy of the Svalbard aphids of genus Pemphigus	2
Context-specific variation and repeatability in behavioral traits of bent-wing bats	2
Color vision evolution in egg-laying mammals: insights from visual photoreceptors and daily activities of Australian echidnas	2
Ecology of endolithic bryozoans: colony development, growth rates and interactions of species in the genus Immergentia	2