Crossopterygii

Crossopterygii
noun
fishes having paired fins resembling limbs and regarded as ancestral to amphibians
• Hypernyms: ↑class
• Member Holonyms: ↑Osteichthyes, ↑class Osteichthyes

* * *

\(ˌ) ̷ ̷ˌ ̷ ̷təˈrijēˌī\ noun plural
Usage: capitalized
Etymology: New Latin, from cross- + -pterygii
1. : a superorder of Choanichthyes comprising the lobe-finned fishes that have existed since the Devonian but are now largely extinct, that have paired fins somewhat resembling limbs with a scaly axis fringed on one or both sides by dermal rays, and that are generalized fishes in some respects resembling elasmobranchs and in others foreshadowing terrestrial vertebrates which may have evolved from unknown early members of the group — compare latimeria
2. in some classifications : a division of fishes coextensive with Choanichthyes or comprising Choanichthyes together with Cladistia — compare actinistia, rhipidistia

Useful english dictionary. 2012.

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  • Crossopterygii — Cros*sop te*ryg i*i (kr?s s?p t? r?j? ?), n. pl. [NL., fr. Gr. ??? tassels, a fringe + ?????, dim. of ???? wing, fin.] (Zo[ o]l.) An order of ganoid fishes including among living species the bichir ({Polypterus}). See {Brachioganoidei}. [1913… …   The Collaborative International Dictionary of English

  • Crossopterygĭi — Crossopterygĭi, s. Quastenflosser …   Meyers Großes Konversations-Lexikon

  • Crossopterygii —   [griechisch], Crossopterygi|er, die Quastenflosser …   Universal-Lexikon

  • Crossopterygii — Crossopterygii, Quastenflosser, Ordnung der ⇒ Sarcopterygii mit stummelförmigen Flossen. a) Rhipidistia lebten von Devon bis Perm; von ihnen lassen sich die Landwirbeltiere herleiten. Zähne ähneln in ihrem gefältelten Wandbau denen der… …   Deutsch wörterbuch der biologie

  • Crossopterygii — Crossopterygii …   Wikipédia en Français

  • Crossopterygii — …   Википедия

  • crossopterygii — cros·sop·te·ryg·ii …   English syllables

  • subclass Crossopterygii — noun fishes having paired fins resembling limbs and regarded as ancestral to amphibians • Syn: ↑Crossopterygii • Hypernyms: ↑class • Member Holonyms: ↑Osteichthyes, ↑class Osteichthyes • Member Meronyms …   Useful english dictionary

  • Crossoptérygiens — Crossopterygii Crossopterygii …   Wikipédia en Français

  • κροσσοπτερύγιοι — (crossopterygii). Υφομοταξία τελεόστεων ψαριών, η οποία περιλαμβάνει τόσο απολιθωμένες όσο και σύγχρονες μορφές. Η εμφάνιση αυτών των ζώων, που φέρουν οστέινο σκελετό, πραγματοποιήθηκε στα τέλη του σιλουρίου (πριν από περίπου 420 εκατ. χρόνια)· η …   Dictionary of Greek

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