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Cheloniidae
Sign in to saveAlso known as Typical sea turtles
Cheloniidae is a family of typically large marine turtles that are characterised by their common traits such as having a flat streamlined wide and rounded shell and almost paddle-like flippers for their forelimbs. They are the only sea turtles to have stronger front limbs than back limbs. The six species that make up this family are the green sea turtle, loggerhead sea turtle, olive ridley sea turtle, hawksbill sea turtle, flatback sea turtle and the Kemp's ridley sea turtle.
OverviewAI-generated
Cheloniidae is a family within the order Testudines, class Testudines, phylum Chordata, and kingdom Animalia. The taxon, named by Oppel in 1811, has an accepted status and is commonly referred to as sea turtles. These organisms inhabit marine environments and have existed for approximately 58 million years.
Records for this family are held by institutions such as the USNM, with data primarily from the United States. The family has 593,531 occurrence records and 2,196 specific records, accompanied by 138 media items.
Synthesized by Vinony from 26 facts across 6 sources: Wikidata, iDigBio, GBIF, Gbif Occ, WoRMS, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
Species
sea turtles
Cheloniidae
FAMILY
- KingdomAnimalia
- PhylumChordata
- ClassTestudines
- OrderTestudines
- FamilyCheloniidae
Die Meeresschildkröten (Cheloniidae) stellen im engeren Sinne eine Familie innerhalb der Schildkröten dar. Zusammen mit der Familie Dermochelyidae (deren einzige Art die Lederschildkröte ist) bilden sie die Überfamilie der Chelonioidea, die auf Deutsch oft als Meeresschildkröten im weiteren Sinne bezeichnet werden; dies entspricht dann auch der intuitiven Interpretation als Gesamtheit der im Meer lebenden Schildkröten. Die Gruppe der Meeresschildkröten umfasst insgesamt sechs bzw. sieben Arten, die eine Reihe gemeinsamer Merkmale tragen. Ihre Extremitäten sind zu großen Paddeln umgestaltet, aus denen nur je eine bzw. zwei Krallen herausragen, und ihr Panzer ist deutlich abgeflacht und stromlinienförmig. Weil der Rückenpanzer auch bei älteren Schildkröten nicht vollständig verknöchert, ragen die Enden der Rippen frei hervor. Beim Bauchpanzer fallen auch einige Rückbildungen auf. Durch die Veränderung des Panzers haben die Meeresschildkröten außerdem die Fähigkeit verloren, ihren relativ großen Kopf bei Gefahr einzuziehen. Eine Anpassung an das Salzwasser stellen die Salzdrüsen dar, die beständig eine konzentrierte Salzlösung abgeben und so den Salzgehalt des Blutes regulieren, die N
via GBIF
Museum specimens
- Specimen records
- 2,196
- With media
- 138
- Family
- Cheloniidae
- Collections
- USNM
- Recorded in
- United States
Wikidata facts
- Instance of
- taxon
- Parent taxon
- Cryptodira
- Image
- Green-sea-turtle.jpg
Show 8 more facts
- topic's main category
- Category:Cheloniidae
- Commons category
- Cheloniidae
- taxon rank
- family
- taxon name
- Cheloniidae
- Code of nomenclature
- International Code of Zoological Nomenclature
- taxon common name
- Havssköldpaddor
- start time
- 58000000-0
- CITES Appendix
- Appendix I of CITES
Sources (1)
via Wikidata · CC0
~8 min read
Encyclopedic overview
12 sectionsContents
- Morphology
- Reproduction and life cycle
- Habitat and ecology
- Climate change
- Conservation status and significance to humans
- Classification
- Extant genera
- Cladogram
- Extinct genera
- References
- Sources
- External links
Cheloniidae is a family of typically large marine turtles that are characterised by their common traits such as having a flat streamlined wide and rounded shell and almost paddle-like flippers for their forelimbs. They are the only sea turtles to have stronger front limbs than back limbs. The six species that make up this family are the green sea turtle, loggerhead sea turtle, olive ridley sea turtle, hawksbill sea turtle, flatback sea turtle and the Kemp's ridley sea turtle.
==Morphology== In contrast to their earth-bound relatives, tortoises, sea turtles do not have the ability to retract their heads into their shells. Their plastron, which is the bony plate making up the underside of a turtle or tortoise's shell, is comparably more reduced from other turtle species and is connected to the top part of the shell by ligaments without a hinge separating the pectoral and abdominal plates of the plastron. Sizes among the seven species of sea turtles range from 71 to 213 cm; for example, the smallest turtle species in the family Cheloniidae, the Kemp's Ridley, only has a shell size of about 75 cm and a weight of 50 kg. All species have a distinct hardened shell.
Excerpted from Wikipedia’s “Cheloniidae” article, available under the CC BY-SA 4.0 licence.