Saddle tree oyster
Isognomon ephippium (Linnaeus, 1758)
Status not recordedmolluscs
The saddle tree oyster (Isognomon ephippium) is a species in the family Isognomonidae, order Ostreida.
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Quick facts about the saddle tree oyster
- Weight
- Not recorded
- Length
- Not recorded
- Lifespan
- Not recorded
- Main food
- Not recorded
- Habitat
- Not recorded
- Young per litter or clutch
- Not recorded
- Conservation status
- Not recorded
- Countries on record
- Not recorded
Where does the saddle tree oyster live?
Not recorded
Is the saddle tree oyster endangered?
No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.
How is the saddle tree oyster classified?
- kingdomAnimalia
- phylumMollusca
- classBivalvia
- orderOstreida
- familyIsognomonidae
- genusIsognomon
- SpeciesIsognomon ephippium (Linnaeus, 1758)
Synonyms Isognomon spathulatus, Isogomon ephippium, Isogonum scapula, Melina ephippium, Melina periculosa, Ostrea ephippium, Pedalion spathulatum, Perna argillacea, Perna cumingii, Perna ephippium, Perna imbricata, Perna lamarckiana, Perna reeveana, Perna spathulata
Other names and names in other languages (7)
- Round toothed oysterEnglish
- různotvarka plocháCzech
- マクガイJapanese
- 부리말다래조개Korean
- izognomon listovitýSlovak
- 扁平鉗蛤Chinese
- 馬鞍障泥蛤Chinese
Relatives of the saddle tree oyster
Other species in the same genus Isognomon.
Flat tree oyster
Isognomon alatus
Radial tree oyster
Isognomon radiatus
Bicolor purse oyster
Isognomon bicolor
Wader tree oyster
Isognomon isognomum
Pod tree oyster
Isognomon legumen
Brown purse shell
Isognomon perna
CompareSaddle tree oyster vs Flat tree oysterSaddle tree oyster vs Radial tree oysterSaddle tree oyster vs Bicolor purse oysterSaddle tree oyster vs Wader tree oyster
Common questions
Answered only where our data holds the answer.
What kind of animal is the saddle tree oyster?
The saddle tree oyster (Isognomon ephippium) belongs to the family Isognomonidae in the order Ostreida.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - AmphiBIO, a global database for amphibian ecological traits · CC BY 4.0 · v1
Oliveira, B.F., São-Pedro, V.A., Santos-Barrera, G., Penone, C. & Costa, G.C. (2017) AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4: 170123. https://doi.org/10.1038/sdata.2017.123. Data: https://doi.org/10.6084/m9.figshare.4644424.v5 - AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - LepTraits 1.0: a globally comprehensive dataset of butterfly traits · CC0 1.0 · 1.0
Shirey, V., Larsen, E., Doherty, A. et al. (2022) LepTraits 1.0: a globally comprehensive dataset of butterfly traits. Scientific Data 9: 382. https://doi.org/10.1038/s41597-022-01473-5. Data: https://doi.org/10.6084/m9.figshare.19874602.v1 - Northwestern European arthropod life histories and ecological traits (raw datasets) · CC BY 4.0 · 2024-12-17
Logghe, G., Batsleer, F., Maes, D. et al. (2025) An in-depth dataset of northwestern European arthropod life histories and ecological traits. Biodiversity Data Journal 13: e146785. https://doi.org/10.3897/BDJ.13.e146785. Data: https://doi.org/10.5281/zenodo.13379714 - ReptTraits: a comprehensive dataset of ecological traits in reptiles · CC BY 4.0 · v1-2
Oskyrko, O., Mi, C., Meiri, S. et al. (2024) ReptTraits: a comprehensive dataset of ecological traits in reptiles. Scientific Data 11: 243. https://doi.org/10.1038/s41597-024-03079-5. Data: https://doi.org/10.6084/m9.figshare.24572683.v4 - Sharkipedia: a curated open access database of shark and ray life history traits · CC BY 4.0 · 1.0-2022-06-17
Mull, C.G., Pacoureau, N., Pardo, S.A. et al. (2022) Sharkipedia: a curated open access database of shark and ray life history traits and abundance time-series. Scientific Data 9: 559. https://doi.org/10.1038/s41597-022-01655-1. Data: https://doi.org/10.5281/zenodo.6656525 - SquamBase 1.0 - a dataset of squamate species traits · CC0 1.0 · 1.0-dryad-v5
Meiri, S. (2024) SquamBase - a database of squamate (Reptilia: Squamata) traits. Global Ecology and Biogeography 33(4): e13812. https://doi.org/10.1111/geb.13812. Data: https://doi.org/10.5061/dryad.76hdr7t3b - TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe · CC BY 4.0 · 2.0
Chauvier, Y., Adde, A., Bergamini, A. et al. (2025) TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe. Zenodo. https://doi.org/10.5281/zenodo.15063844 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
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Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Saddle tree oyster (Isognomon ephippium). Retrieved from https://creaturedata.com/animals/saddle-tree-oyster
“Saddle tree oyster (Isognomon ephippium).” CreatureData, 2026, https://creaturedata.com/animals/saddle-tree-oyster.
@misc{saddle_tree_oyster_2026,
title = {Saddle tree oyster (Isognomon ephippium)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/saddle-tree-oyster},
note = {Data as of 2026-11-11}
}