microconchsとは 意味・読み方・使い方

名詞

microconchs

1. plural of microconch
   • 2016 January 14, “Paleobiology of the Latest Tithonian (Late Jurassic) Ammonite Salinites grossicostatum Inferred from Internal and External Shell Parameters”, in PLOS ONE^[1], DOI:10.1371/journal.pone.0145865:

     Initially, the apophysis follows the coiling of the shell but it projects ventrolaterally during the final ontogenetic stage of macroconch development. 33 ventrolateral ribs are present on the outermost whorl of microconchs corresponding to 42 mm diameter (CPC-1223), while macroconchs have 37 ventrolateral ribs at 38 mm diameter (CPC-1410).