OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Morphology is 3. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Nasal turbinates of the dicynodont Kawingasaurus fossilis and the possible impact of the fossorial habitat on the evolution of endothermy	24
First soft body morphological data on the tracemaker of the endolithic bryozoan trace fossil Terebripora ramosa d'Orbigny, 1842	23
Form and function in the avian pelvis	20
Patterns of integrated growth of body parts in Rook (Corvus frugilegus) ontogeny	20
Turtle Girdles: Comparing the Relationships Between Environment and Behavior on Forelimb Function in Loggerhead Sea Turtles (Caretta caretta) and River Cooters (Pseudemys concinna)	19
Reconstruction of soft noncontractile tissue in the derived therizinosaur Nothronychus: The interplay of soft tissue and stress on hindlimb ossification and posture	15
Immunolocalization of adenomatous polyposis coli protein (apc) in the regenerating lizard tail suggests involvement in tissue differentiation and regulation of growth	15
Issue Information	14
Gonadal morphogenesis in the South American toad Rhinella Arenarum (Anura, Bufonidae) unveils an extremely delayed rate of sex differentiation	14
Issue Information	13
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Dental Anomalies and Cranio‐Dental Ontogeny in a Captive Wild Boar Population From France	13
Functional role of lacunar and muscular systems in the externa of Peltogasterella gracilis (Cirripedia: Rhizocephala)	12
Architecture and tube structure of Sabellaria spinulosa (Leuckart, 1849): Comparison with the Mediterranean S. alveolata congener	12
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Cannabinoid receptor type 1 regulates sequential stages of migration and morphogenesis of neural crest cells and derivatives in chicken and frog embryos	12
Reconstructive evolutionary morphology: Tracing the historical process of modifications of complex systems driven by natural selection through changing ecological conditions	11
Erratum for:	11
Erratum to Reconstructing the subcephalic musculature in Pucapampella and Ichthyostega	10
Ontogeny of the Skeleton of Leporinus oliveirai (Characiformes, Anotomidae)	10
Issue Information	9
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Impact on reproductive performance and body condition in a small limpet parasitized by a large castrator pea crab	9
Issue Information	9
Divergent locomotor evolution in “giant” kangaroos: Evidence from foot bone bending resistances and microanatomy	9

Ultrastructural changes in mitochondria during oogenesis in two phylogenetically close fish species	9
Comparative morphology of male genitalia in antlions (Insecta, Neuroptera, Myrmeleontidae), with emphasis on owlflies (Ascalaphinae) and a possible structural evolutionary scenario	8
Extraembryonic Membranes and Placentation in the Mexican Snake Conopsis lineata	8
Paleoneurology of stem palaeognaths clarifies the plesiomorphic condition of the crown bird central nervous system	8
Morphology of ctenostome bryozoans: 7. Hislopia, Echinella and Timwoodiellina	8
Iliocapsularis: An exploration of the muscle and its omission in education	8
Issue Information	8
Remodeling of Uterine Tissues During Gestation of Potamotrygon wallacei (Elasmobranchii), a Neotropical Freshwater Stingray Endemic to the Negro River, Central Amazonia	7
On the Maxillofacial Development of Mice, Mus musculus	7
Geometric morphometric analysis of the humerus in New and Old World vultures	7
The unplumatellid Plumatella fruticosa found its home: Hirosella gen. nov. morphological arguments for the systematic placement of a freshwater bryozoan	7
Absence of secondary osteons in femora of aged rats: Implications of lifespan on Haversian remodeling in mammals	7
Epiblast and trophoblast morphogenesis in the pre‐gastrulation blastocyst of the pig. A light‐ and electron‐microscopical study	7
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Issue Information	7
Morphological variations of auditory bullae in otomyine rodents (Rodentia: Otomyini) in southern African biomes	7
Pacific Spiny Lumpsucker armor—Development, damage, and defense in the intertidal	7
Diploic vein morphology in normal and craniosynostotic adult human skulls	7
Asymmetry in previtellogenic and early vitellogenic oocytes, ultrastructure of follicular cells and egg envelope in the pigmented sterlet, Acipenser ruthenus L. 1758 (Chondrostei, Acipenserifor	6
Issue Information	6
Canine morphometrics as a tool for distinguishing species, sex, and age class in Southern Ocean fur seals	6
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The male reproductive system in whip spiders (Arachnida: Amblypygi)	6
A surrogate forelimb: Evolution, function and development of the avian cervical spine	6
Issue Information	6
Chaetal arrangement and type diversity in two Magelona species (Magelonidae, Annelida) with ultrastructural details of the internal support chaetae	6
Rebuilding ships while at sea—Character individuality, homology, and evolutionary innovation	6
Issue Information	6
Evolution of Placentation in Eugongylini (Squamata: Scincidae): Ontogeny of Extraembryonic Membranes in Oviparous and Viviparous Species of New Zealand	6
Correlated evolution of beak and braincase morphology is present only in select bird clades	6
Cranial muscle architecture in wild boar: Does captivity drive ontogenetic trajectories?	6
Ecomorphological variation of the penguin wing	5
Ontogenetic shifts in body form in the bull shark Carcharhinus leucas	5
A morphological and morphometric approach to study Ophiuroidea (Echinodermata): Size changes of Ophiocomella alexandri	5
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Ontogenetic changes in southern sea otter (Enhydra lutris nereis) fur morphology	5
Issue Information	5
Comparative anatomy of the spinneret musculature in cribellate and ecribellate spiders (Araneae)	5
Variations in the carapace shape of whip spiders (Arachnida: Amblypygi)	5
Embryonic Development of Appasus japonicus Vuillefroy, With Special Reference to Mouthparts Formation (Insecta: Heteroptera, Belostomatidae)	5
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Comparative osteology of the skull of cowbirds (Icteridae: Molothrus)	5
Issue Information	5
Suction Feeding in Dendropsophus cerradensis Tadpoles: New Behavioral Observations and Morphological Traits in a Member of the D. microcephalus Group (Anura, Hylidae)	5
Respiratory internal kinematics of the tongue base and soft palate in obese minipigs with obstructive sleep apnea	5
Dentin hardness differences across various mammalian taxa	5
A unique case of commensalism: The beaver beetle Platypsyllus castoris (Leiodidae, Coleoptera) and its morphological adaptations	5
Corrigendum to: A survey of osteoderm histology and ornamentation among Crocodylomorpha: A new proxy to infer lifestyle?	5
Cover Image	5
Intraspecific variation in the cranial osteology of Diplometopon zarudnyi (Squamata: Amphisbaenia: Trogonophidae)	4

Serial block‐face scanning electron microscopy of the tail tip of post‐metamorphic amphioxus finds novel myomeres with odd shapes and unusually prominent sclerocoels	4
The thoracic anatomy of Pselaphus heisei (Pselaphinae, Staphylinidae, Coleoptera)	4
Ontogenetic and interelemental study of appendicular bones of Caiman latirostris Daudin, 1802 sheds light on osteohistological variability in crocodylians	4
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Radial porosity profiles are a powerful tool for tracing locomotor maturation in developing limb bones	4
Ultrastructure and histochemistry of the scolex of two Neotropical proteocephalidean species (Cestoda: Onchoproteocephalidea)	4
Morphological pattern of the dermal denticles of the Southern sawtail catshark Galeus mincaronei Soto, 2001	4
Extrinsic and intrinsic musculature of the raptorial forelegs in Mantodea (Insecta) in the light of functionality and sexual dimorphism	4
Immunolocalization of tumor suppressors arhgap28 and retinoblastoma in the lizard Podarcis muralis suggests that they contribute to the regulated regeneration of the tail	4
The hierarchical basis of serial homology and evolutionary novelty	4
Functional and phylogenetic interpretation of the forelimb myology of two South American carnivorans, the ring‐tailed coati (Nasua nasua) and crab‐eating raccoon (Procyon cancrivorus)	4
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Ultrastructure of the extraordinary pedal gland in Asplanchna aff. herricki (Rotifera: Monogononta)	4
Morphological association between muscle attachments and ossification sites in the late cartilaginous skull of tuatara embryos	4
The influence of fossils in macroevolutionary analyses of 3D geometric morphometric data: A case study of galloanseran quadrates	4
A refreshed approach to homology—Prioritizing epistemology over metaphysics	4
Morphology of the pterothoracic musculature in Paraneoptera and its phylogenetic implication (Insecta: Neoptera)	4
Cephalic Musculature of the Pacman Catfish Lophiosilurus alexandri Steindachner, 1876 (Siluriformes, Pseudopimelodidae)	4
First description of buccopharyngeal anatomy in Pelodryadinae larvae: Morphological comparison and systematic implications (Anura: Hylidae: Pelodryadinae: Litoria rubella and Ranoidea caerul	4
Lateral bone ridge expansion and internal tissue replacement for vertebral body growth in Pacific bluefin tuna Thunnus orientalis	4
Morphology of the buccal apparatus of Dendronotus frondosus (Gastropoda: Nudibranchia)	4
How to stay attached—Formation of the ricefish plug and changes of internal reproductive structures in the pelvic brooding ricefish, Oryzias eversi Herder et al. (2012) (Beloniformes: Adrianich	4
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Outside the pattern: Evolution of the genital asymmetry in Saicinae (Hemiptera: Heteroptera: Reduviidae)	3
Morphological Variation in the Genitalia of the Burmese Python	3
Cell death and wing reduction during the metamorphosis of sex‐specific flightless morphs in winter geometrid moths	3
Sand accumulation in the digestive tract of rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus): The role of the appendix	3
Placental glycotype of the caviomorph rodent Lagostomus maximus and its evolution within Eutheria	3
Against unifying homology concepts: Redirecting the debate	3
Anatomy and mobility in the adult cadaveric craniocervical junction	3
The rhipidoglossan radula: Formation and development in Margarites helicinus Phipps, 1774 (Trochoidea, Vetigastropoda)	3
Chemical phenotypes of intrinsic cardiac neurons in the newborn pig (Sus scrofa domesticus Erxleben, 1777)	3
Issue Information	3
Facial and opercular muscles in the Anguilliformes (Elopomorpha: Teleostei): Comparative anatomy and phylogenetic implications for the basal position of Protanguilla	3
Cover Image	3
Differential growth of the adductor muscles, eyeball, and brain in the chick Gallus gallus with comments on the fossil record of stem‐group birds	3
Morphometric analysis of the elasmobranch olfactory rosette	3
An atlas of anatomical variants of the human calcaneus	3
Complex Brain Morphology Discovered in the Shark Parasite Nybelinia surmenicola (Cestoda: Trypanorhyncha)	3
Neurosensory anatomy and function in Seymouria	3
A possible highway system for the rapid delivery of sperm from the testis to the penis in the naked mole‐rat, Heterocephalus glaber	3
Ontogeny of the trigeminal system and associated structures in Alligator mississippiensis	3
Frog Fibres: What Muscle Architecture Can Tell Us About Anuran Locomotor Function	3
The Influence of Aquaculture and a Natural Environmental Gradient on Shell Landmark Variation of the Mediterranean Mussel (Mytilus galloprovincialis Lamarck, 1819) From the Eastern Adriatic Sea	3
Baculum shape complexity correlates to metrics of post‐copulatory sexual selection in Musteloidea	3
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Corrigendum	3
Neurotransmission and neuromodulation systems in the learning and memory network of Octopus vulgaris	3
Ovarian changes and development of the branchial placenta occurring in Jenynsia lineata (Cyprinodontiformes, Anablepidae)	3
The ant abdomen: The skeletomuscular and soft tissue anatomy of Amblyopone australis workers (Hymenoptera: Formicidae)	3
Identifying and locating carotenoids in supra‐orbital combs of male black grouse (Lyurus tetrix) using Raman and transmission electron microscopy: A histological study using rehydrated tissue s	3
The appendicular skeleton of the enigmatic shark Leptocharias smithii in comparison with other sharks of the order Carcharhiniformes (Elasmobranchii: Leptochariidae)	3
A geometric morphometric analysis of variation in Australian frog ilia and taxonomic interpretations	3
Ecomorphology of the cervid intermediate phalanx and its implications for palaeoenvironmental reconstruction	3
The filter‐house of the larvaceanOikopleura dioica. A complex extracellular architecture: From fiber production to rudimentary state to inflated house	3
Predicting body mass in Ruminantia using postcranial measurements	3
Cover Image	3
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Development of the cranial lateral line system of Brook Trout, Salvelinus fontinalis (Teleostei: Salmonidae): Evolutionary and ecological implications	3