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Relevant bibliographies by topics / Ommatophora

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Academic literature on the topic 'Ommatophora'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Ommatophora"

1

Maxwell, Stephen J., Watt JL, and Payne MA. "Asymmetry of Eye Peduncle Length in Euprotomus Iredalei (Abbott, 1960) (Mollusca: Neostromboidae: Strombidae)." International Journal of Zoology and Animal Biology 7, no. 4 (2024): 1–3. http://dx.doi.org/10.23880/izab-16000594.

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This study examines the difference in right and left ommatophore length of Euprotomus iredalei from Karratha, Western Australia. In all specimens examined (n = 39, Males = 21, Females = 18) there was no evidence of imposex in terms of sexual organ abnormality or gonadal form, and all animals had right and left ommatophores that were of different lengths. This length difference was significant (t(38) = 10.315, p < 0.001) in the length of the ommatophore with the right longer (8.86 mm ± 0.23 SE) than the left (7.32 mm ± 0.19), and the effect size was large (d = 1.05). There was no sexual dimo

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2

Schwab, Ivan R., and David G. Heidemann. "Ommatophore (Eyestalk) Magic: Lobatus costatus." Ophthalmology 128, no. 11 (2021): 1548. http://dx.doi.org/10.1016/j.ophtha.2021.03.033.

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Shaughnessy, Peter D., and Robert Jones. "The size of Ross seal Ommatophoca rossii pups." Polar Biology 42, no. 10 (2019): 1931–33. http://dx.doi.org/10.1007/s00300-019-02558-5.

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Skinner, J. D., and L. M. Westlin-van Aarde. "Aspects of reproduction in female Ross seals (Ommatophoca rossii)." Reproduction 87, no. 1 (1989): 67–72. http://dx.doi.org/10.1530/jrf.0.0870067.

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Watkins, William A., and G. Carleton Ray. "In‐air and underwater sounds of the Ross seal, Ommatophoca rossi." Journal of the Acoustical Society of America 77, no. 4 (1985): 1598–600. http://dx.doi.org/10.1121/1.392003.

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6

Loza, Cleopatra Mara, Ashley E. Latimer, Marcelo R. Sánchez-Villagra, and Alfredo A. Carlini. "Sensory anatomy of the most aquatic of carnivorans: the Antarctic Ross seal, and convergences with other mammals." Biology Letters 13, no. 10 (2017): 20170489. http://dx.doi.org/10.1098/rsbl.2017.0489.

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Transitions to and from aquatic life involve transformations in sensory systems. The Ross seal, Ommatophoca rossii , offers the chance to investigate the cranio-sensory anatomy in the most aquatic of all seals. The use of non-invasive computed tomography on specimens of this rare animal reveals, relative to other species of phocids, a reduction in the diameters of the semicircular canals and the parafloccular volume. These features are independent of size effects. These transformations parallel those recorded in cetaceans, but these do not extend to other morphological features such as the red

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Laake, Jeff, Richard J. Guenzel, John L. Bengtson, Peter Boveng, Michael Cameron, and M. Bradley Hanson. "Coping with variation in aerial survey protocol for line-transect sampling." Wildlife Research 35, no. 4 (2008): 289. http://dx.doi.org/10.1071/wr07065.

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Altitude and flight speed affect detection probability and they typically vary during the course of most aerial surveys. We demonstrate how these sources of variation can be accommodated with covariates in a line-transect analysis using data from a pronghorn (Antilocapra americana) survey in Wyoming and a survey of Antarctic ice seals (Lobodon carcinophaga, Leptonychotes weddellii, Hydrurga leptonyx, Ommatophoca rossii). We also show how the likelihood for binned distance data can be modified to allow for variation in altitude. As an alternative, we develop an estimator for aerial line-transec

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Trawicki, Marek B. "Multispecies Discrimination of Seals (Pinnipeds) using Hidden Markov Models (HMMs)." International Journal of Automation, Artificial Intelligence and Machine Learning 4, no. 1 (2024): 1–9. http://dx.doi.org/10.61797/ijaaiml.v4i1.308.

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Hidden Markov Models (HMMs) were developed and implemented for the discrimination of 5 available Seals (Pinnipeds), namely the Bearded Seal (Erignathus barbatus), Harp Seal (Pagophilus groenlandicus), Leopard Seal (Hydrurga leptonyx), Ross Seal (Ommatophoca rossii), and Weddell Seal (Leptonychotes weddellii). The main objectives of the experiments were to study the impact of the frame size and step size and number of states for feature extraction and acoustic models on classification accuracy. Based on the experiments using Mel-Frequency Cepstral Coefficients (MFCCs) extracted from the vocaliz

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Trawicki, Marek B. "Multispecies discrimination of seals (pinnipeds) using hidden Markov models (HMMs)." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A222. http://dx.doi.org/10.1121/10.0018725.

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Hidden Markov models (HMMs) were developed and implemented for the discrimination of five available Seals (Pinnipeds), namely, the Bearded Seal (Erignathus Barbatus), Harp Seal (Pagophilus Groenlandicus), Leopard Seal (Hydrurga Leptonyx), Ross Seal (Ommatophoca Rossii), and Weddell Seal (Leptonychotes Weddellii). The main objectives of the experiments were to study the impact of the frame size and step size and number of states for feature extraction and acoustic models on classification accuracy. Based on the experimentation using Mel-Frequency Cepstral Coefficients (MFCCs) extracted from the

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10

Tedman, R. A. "Morphology of the reproductive tract of a juvenile male Ross Seal, Ommatophoca rossii (Pinnipedia: Phocidae)." Australian Mammalogy 14, no. 1 (1991): 35. http://dx.doi.org/10.1071/am91007.

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Book chapters on the topic "Ommatophora"

1

"ommatophore, n." In Oxford English Dictionary, 3rd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/6346477491.

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Reports on the topic "Ommatophora"

1

Negrete, Javier, M. Florencia Grandi, Gustavo A. Daneri, and Esperanza A. Varela. Ommatophoca rossii. En: SAyDS�SAREM (eds.) Categorizaci�n 2019 de los mam�feros de Argentina seg�n su riesgo de extinci�n. Lista Roja de los mam�feros de Argentina, 2019. http://dx.doi.org/10.31687/saremlr.19.160.

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