| 释义 |
olenellid, n. and a.|ɒləˈnɛlɪd|
[a. mod.L. family name Olenellidæ, f. generic name Olenell(us (E. Billings Palæozoic Fossils (1861) I. 11) + -id3.]
A trilobite belonging to the family Olenellidæ; of or pertaining to this family.
1892Peach & Horne in Q. Jrnl. Geol. Soc. XLVIII. 239 Among the disjecta membra of Olenellid trilobites from the dark shales..are certain portions of the carapaces of a much larger species. Ibid. 240 One word of speculation as to the systematic position of the Olenellids may be admissible here. 1937Jrnl. Paleont. XI. 577/1 Olenellids present a most interesting association of primitive and specialized characters. Ibid. 578/2 The olenellid shell is for its size excessively thin. 1969Bennison & Wright Geol. Hist. Brit. Isles iv. 87 The fauna of the Lower Cambrian chiefly comprises Olenellid trilobites. 1973P. Tasch Paleobiol. Invertebr. xi. 518/1 The so-called abortive segments in..other olenellids might be evidence of the type of asexual budding that occurs in certain primitive polychaete worms. |