teleosteanadj.n.
/tiːlɪˈɒstɪən/, /tɛlɪˈɒstɪən/, U.S. /ˌtɛliˈɑstiən/, /ˌtiliˈɑstiən/ Zoology.
A. adj.
Of or relating to the group Teleostei of ray-finned fishes; = teleost adj.
ΘΚΠ
the world > animals > fish > class Osteichthyes or Teleostomi > subclass Actinopterygii > subdivision Teleostei > [adjective]
teleostean1858
teleosteous1865
teleost1872
1858 Q. Jrnl. Geol. Soc. 14 279 There are Teleostean fishes..quite as imperfect in this respect as any Ganoid.
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 90 The Perch... Its skeleton is typically Teleostean.
1913 J. W. Jenkinson Vertebr. Embryol. iii. 37 In the Teleostean fishes the separate yolk-globules run together at an early stage to form one continuous yolk-mass.
1966 I. I. Geschwind in G. W. Harris & B. T. Donovan Pituitary Gland II. xxi. 603 Teleostean (as well as avian) pituitary extracts only poorly promoted the uptake of 131I by mouse thyroids.
2013 S. T. Ross Ecol. N. Amer. Freshwater Fishes ii. 12/2 Almost half of the currently recognized orders of teleostean fishes have fossil records that reach to the Cretaceous Period.
B. n.
A fish belonging to this group; = teleost n.
ΘΚΠ
the world > animals > fish > class Osteichthyes or Teleostomi > subclass Actinopterygii > subdivision Teleostei > [noun] > member of
ossean1835
teleostean1858
teleost1863
teleocephal1872
1858 Q. Jrnl. Geol. Soc. 14 279 The arrangement of the hard tissues in Pteraspis reminds one almost as strongly of Ostracion, an undoubted Teleostean.
1901 Jrnl. Anat. & Physiol. 35 437 The term ‘mantle’ may be used to designate the epithelial roof of the hemisphere of a Teleostean.
1957 J. W. Hedgpeth Treat. Marine Ecol. & Paleoecol. I. 1010/2 Changes in the alimentary canal, heart, and optic nerves..led to the coming of the Teleosteans.
2009 G. S. Helfman et al. Diversity Fishes (ed. 2) xi. 195/1 Primitive teleosteans have a physostomous gas bladder.
This entry has been updated (OED Third Edition, December 2016; most recently modified version published online March 2022).
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adj.n.1858