Encyclopedia of Life · EOL (see source)
Heterotremata
Sign in to saveHeterotremata (from Ancient Greek ἕτερος (héteros), meaning "different", and τρῆμα (trêma), meaning "hole") is a clade of crabs, comprising those crabs in which the genital openings are on the sternum in females, but on the legs in males. It comprises 68 families in 28 superfamilies.
Species
Subsection
- PhylumArthropoda
- ClassMalacostraca
- OrderDecapoda
Heterotremata é um clado de caranguejos que inclui as espécies nas quais as aberturas genitais femininas estão localizadas no esterno e as masculinas nas patas. Inclui 68 famílias agrupadas em 28 superfamílias.
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Encyclopedic overview
4 sectionsContents
- Evolution
- Superfamilies
- References
- External links
Heterotremata (from Ancient Greek ἕτερος (héteros), meaning "different", and τρῆμα (trêma), meaning "hole") is a clade of crabs, comprising those crabs in which the genital openings are on the sternum in females, but on the legs in males. It comprises 68 families in 28 superfamilies.
==Evolution== Heterotremata is the sister group to Thoracotremata within the clade Eubrachyura, having diverged during the Cretaceous period. Eubrachyura itself is a subset of the larger clade Brachyura, which consists of all "true crabs". A summary of the high-level internal relationships within Brachyura can be shown in the cladogram below:
Excerpted from Wikipedia’s “Heterotremata” article, available under the CC BY-SA 4.0 licence.
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