Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biology Any
lobe -finned fish , of the classSarcopterygii , including thelungfish andcoelacanths
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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There are several lineages of sarcopterygian fish that developed tetrapod like adaptations according to evolutionists.
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Tiktaalik and Sauripterus reflect what is essentially an elaborated version of the general sarcopterygian condition.
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My understanding is that mudfish translated in several dictionaries as “bowfin” are in fact actinopterygian and not sarcopterygian which the eusthenopteron must be.
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Our inability to examine the neural characters of a relevant outgroup rhipidistians may result in many sarcopterygian plesiomorphic characters being interpreted as apomorphic characters, due to the wide distribution of paedomorphic characters among living sarcopterygians and their possible resemblance to plesiomorphic characters present in living outgroups that can be examined.
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The assumed sarcopterygian progenitors in the Late Devonian had low offspring dispersal ranges and limited geographic ranges, yet the early tetrapods they supposedly evolved into also occupied separate and limited geographic ranges, and had limited dispersal.
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The assumed sarcopterygian progenitors in the Late Devonian had low offspring dispersal ranges and limited geographic ranges, yet the early tetrapods they supposedly evolved into also occupied separate and limited geographic ranges, and had limited dispersal.
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