Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
mysticete .
Etymologies
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Examples
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Based upon anatomical, fossil, developmental, and genetic evidence scientists know that baleen whales (technically called mysticetes) evolved from ancestors with teeth, especially since some fossil baleen whales had
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The symphyseal area (the region where the jaw tips meet) is unfused, as is the case in all mysticetes (even the most basal ones) but not other cetaceans, meaning that the two halves of the jaw can stretch apart at their tips somewhat.
Archive 2006-10-01 Darren Naish 2006
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The rostrum in rorquals is long and tapers to a point (though it is comparatively broad in blue whales) and, in contrast to other mysticetes, a stout finger-like extension of the maxillary bone extends posteriorly, overlapping the nasals and abutting the supraoccipital (the shield-like plate that forms the rear margin of the skull).
Archive 2006-10-01 Darren Naish 2006
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The symphyseal area (the region where the jaw tips meet) is unfused, as is the case in all mysticetes (even the most basal ones) but not other cetaceans, meaning that the two halves of the jaw can stretch apart at their tips somewhat.
From cigar to elongated, bloated tadpole: rorquals part II Darren Naish 2006
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The dorsal surfaces of the frontals (on the top of the skull) possess large depressions while the ventral surfaces of the zygomatic processes (the structures that project laterally from the cheek regions) are strongly concave, again unlike the condition in other mysticetes.
From cigar to elongated, bloated tadpole: rorquals part II Darren Naish 2006
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The dorsal surfaces of the frontals (on the top of the skull) possess large depressions while the ventral surfaces of the zygomatic processes (the structures that project laterally from the cheek regions) are strongly concave, again unlike the condition in other mysticetes.
Archive 2006-10-01 Darren Naish 2006
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The rostrum in rorquals is long and tapers to a point (though it is comparatively broad in blue whales) and, in contrast to other mysticetes, a stout finger-like extension of the maxillary bone extends posteriorly, overlapping the nasals and abutting the supraoccipital (the shield-like plate that forms the rear margin of the skull).
From cigar to elongated, bloated tadpole: rorquals part II Darren Naish 2006
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That suggests that filter-feeding mysticetes or baleen whales should have a poor sense of smell at best, because they derive from a common ancestor, says
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That suggests that filter-feeding mysticetes or baleen whales should have a poor sense of smell at best, because they derive from a common ancestor, says
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This means that it might provide some clue as to what the common ancestor of the odontocetes and mysticetes was like, which in turn might contain some hint as to what subgroup of archaeocetes the first members of the Neoceti evolved from.
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