OOIR: Observatory of International Research

Papers

(The median citation count of Zoological Letters is 1. 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 2021-02-01 to 2025-02-01.)

Article	Citations
Digit ratio in the common toad Bufo bufo: the effects of reduced fingers and of age dependency	22
The use of polarized light in the zonal orientation of the sandhopper Talitrus saltator (Montagu)	18
The digestive tract as an essential organ for water acquisition in marine teleosts: lessons from euryhaline eels	17
The remarkable larval morphology of Rhaebo nasicus (Werner, 1903) (Amphibia: Anura: Bufonidae) with the erection of a new bufonid genus and insights into the evolution of suctorial tadpoles	13
Proteins from shrews’ venom glands play a role in gland functioning and venom production	12
Bones and all: a new critically endangered Pantepui species of Stefania (Anura: Hemiphractidae) and a new osteological synapomorphy for the genus	11
Allogeneic testes transplanted into partially castrated adult medaka (Oryzias latipes) can produce donor-derived offspring by natural mating over a prolonged period	10
Bat pollinators: a decade of monitoring reveals declining visitation rates for some species in Thailand	10
Structure of a hinge joint with textured sliding surfaces in terrestrial isopods (Crustacea: Isopoda: Oniscidea)	9
A review of the genus Muusoctopus (Cephalopoda: Octopoda) from Arctic waters	9
Homology of the head sensory structures between Heterotardigrada and Eutardigrada supported in a new species of water bear (Ramazzottiidae: Ramazzottius)	7
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)	7
Starvation resistance in the nematode Pristionchus pacificus requires a conserved supplementary nuclear receptor	7
Deep-sea ctenostome bryozoans: revision of the family Pachyzoidae, with description of a new genus and three new species from Zealandia	6
Hedgehog signaling controls mouth opening in the amphioxus	6
A transphyletic study of metazoan β-catenin protein complexes	6
Gene expression alterations from reversible to irreversible stages during coral metamorphosis	6
The importance of being integrative: a remarkable case of synonymy in the genus Viridiscus (Heterotardigrada: Echiniscidae)	5
Detailed morphology of tentacular apparatus and central nervous system in Owenia borealis (Annelida, Oweniidae)	5
Origin of the propatagium in non-avian dinosaurs	4
Progesterone initiates tendril formation in the oviducal gland during egg encapsulation in cloudy catshark (Scyliorhinus torazame)	4
Neuromuscular organization of the benthic ctenophore, Vallicula multiformis	4
Morphological and radiological mapping of dental cusps in relation to spatial constraints on tooth shape of one-humped camel (Camelus dromedarius)	4
Photoreceptor genes in a trechine beetle, Trechiama kuznetsovi, living in the upper hypogean zone	3
Integrative taxonomy resolves species identities within the Macrobiotus pallarii complex (Eutardigrada: Macrobiotidae)	3

Effect of temperature cycles on the sleep-like state in Hydra vulgaris	3
A review of the reproductive system in anuran amphibians	3
Polymorphism in the symmetries of gastric pouch arrangements in the sea anemone D. lineata	3
Correction: Deep-sea ctenostome bryozoans: revision of the family Pachyzoidae, with description of a new genus and three new species from Zealandia	3
Boring life: early colony formation and growth in the endolithic bryozoan genus Penetrantia Silén, 1946	3
The lost generation of Pemphigus populiglobuli (Hemiptera, Aphididae): exploring the taxonomy of the Svalbard aphids of genus Pemphigus	2
New insights into the retinal microstructure-diurnal activity relationship in the African five-lined skink (Trachylepis quinquetaeniata) (Lichtenstein, 1823)	2
Context-specific variation and repeatability in behavioral traits of bent-wing bats	2
Ecology of endolithic bryozoans: colony development, growth rates and interactions of species in the genus Immergentia	2
Structural and immunohistochemical analysis of the cellular compositions of the liver of molly fish (Poecilia sphenops), focusing on its immune role	2
Developmental fates of shark head cavities reveal mesodermal contributions to tendon progenitor cells in extraocular muscles	2
Color vision evolution in egg-laying mammals: insights from visual photoreceptors and daily activities of Australian echidnas	2
A transcriptomic reevaluation of the accessory olfactory organ in Bichir (Polypterus senegalus)	2
Morphology and morphometry of the inner ear of the dromedary camel and their influence on the efficiency of hearing and equilibrium	1
New Indomalayan Nebularmis species (Heterotardigrada: Echiniscidae) provoke a discussion on its intrageneric diversity	1
Variation in responses to photoperiods and temperatures in Japanese medaka from different latitudes	1
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	1
Gene transcriptional profiles in gonads of Bacillus taxa (Phasmida) with different cytological mechanisms of automictic parthenogenesis	1