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 2022-01-01 to 2026-01-01.)

Article	Citations
Bones and all: a new critically endangered Pantepui species of Stefania (Anura: Hemiphractidae) and a new osteological synapomorphy for the genus	22
Starvation resistance in the nematode Pristionchus pacificus requires a conserved supplementary nuclear receptor	21
Neuromuscular organization of the benthic ctenophore, Vallicula multiformis	21
Optical properties of the jellyfish surface above the waterline: microvillar array in pleustonic hydrozoans	19
Gene transcriptional profiles in gonads of Bacillus taxa (Phasmida) with different cytological mechanisms of automictic parthenogenesis	18
Sexual dimorphism in the tardigrade Paramacrobiotus metropolitanus transcriptome	15
Systematics and phylogeny of the entomopathogenic nematobacterial complexes Steinernema–Xenorhabdus and Heterorhabditis–Photorhabdus	14
Male spiny frogs enter the underwater battlefield with loose skin exhibiting enhanced penetration of capillaries into the epidermis	12
Epimorphic development in tropical shallow-water Nymphonidae (Arthropoda: Pycnogonida) revealed by fluorescence imaging	11
Male Caenorhabditis elegans optimizes avoidance behavior against acute and chronic stress for successful mating with hermaphrodites	11
Boring life: early colony formation and growth in the endolithic bryozoan genus Penetrantia Silén, 1946	10
Correction: Deep-sea ctenostome bryozoans: revision of the family Pachyzoidae, with description of a new genus and three new species from Zealandia	9
Effect of temperature cycles on the sleep-like state in Hydra vulgaris	8
A review of the reproductive system in anuran amphibians	7
Difference in sulfur regulation mechanism between tube-dwelling and free-moving polychaetes sympatrically inhabiting deep-sea hydrothermal chimneys	7
Progesterone initiates tendril formation in the oviducal gland during egg encapsulation in cloudy catshark (Scyliorhinus torazame)	7
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	7
Photo-refractoriness reflects bet-hedging strategies deployed in unpredictable environments in male Brandt’s voles	7
Correction: Morphological and radiological mapping of dental cusps in relation to spatial constraints on tooth shape of one humped camel (Camelus dromedarius)	7
Molecular phylogeny of the Acer-feeding aphid subfamily Drepanosiphinae (Insecta: Hemiptera: Aphididae) and the evolution of its endosymbiotic consortia	6
New insights into the retinal microstructure-diurnal activity relationship in the African five-lined skink (Trachylepis quinquetaeniata) (Lichtenstein, 1823)	6
Proteins from shrews’ venom glands play a role in gland functioning and venom production	6
Photoreceptor genes in a trechine beetle, Trechiama kuznetsovi, living in the upper hypogean zone	6
Linoleic acid as corpse recognition signal in a social aphid	6
Ancient rivers shaped the current genetic diversity of the wood mouse (Apodemus speciosus) on the islands of the Seto Inland Sea, Japan	5

Scleral appearance is not a correlate of domestication in mammals	5
The use of polarized light in the zonal orientation of the sandhopper Talitrus saltator (Montagu)	4
Potential of Garra rufa as a novel high-temperature resistant model fish: a review on current and future approaches	4
A transphyletic study of metazoan β-catenin protein complexes	4
Type 1 vomeronasal receptor expression in juvenile and adult lungfish olfactory organ	4
Homology of the head sensory structures between Heterotardigrada and Eutardigrada supported in a new species of water bear (Ramazzottiidae: Ramazzottius)	3
Allogeneic testes transplanted into partially castrated adult medaka (Oryzias latipes) can produce donor-derived offspring by natural mating over a prolonged period	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
A review of the genus Muusoctopus (Cephalopoda: Octopoda) from Arctic waters	2
Ecology of endolithic bryozoans: colony development, growth rates and interactions of species in the genus Immergentia	2
Origin of the propatagium in non-avian dinosaurs	2
Color vision evolution in egg-laying mammals: insights from visual photoreceptors and daily activities of Australian echidnas	2
The lost generation of Pemphigus populiglobuli (Hemiptera, Aphididae): exploring the taxonomy of the Svalbard aphids of genus Pemphigus	2