Lingula shell.

Lingula shell Here, we describe in detail the shells of juveniles of Lingula anatina Lamarck, 1801 from Vietnam and the Republic of the Philippines. The following previously unknown properties of the Sep 18, 2015 · However, Lingula has independently undergone domain combinations to produce shell matrix collagens with EGF domains and carries lineage-specific shell matrix proteins. The tail was chewy, almost like tough squid, which the portion of the lingula within the shell, was rich and buttery. The abnormally reduced body size in the PTB strata thus may be considered as one of the Aug 15, 2024 · Individual fossil Lingula shell has a nearly constant P/S ratio of ∼76, consistent with the P/S ratios of living Lingula shells from the South China Sea. Many species are deep water specialists, though some species such as the burrow living Lingula sp. adamsi with quadrate shells and all others with elongated shells), but substantial overlap among other species makes this metric of limited utility for species identification (Table 2). 舌形貝屬（學名： Lingula ）是舌形貝科下的一個屬，俗名海豆芽，模式種是鴨嘴海豆芽（ Lingula anatina ）。 舌形貝屬 動物 早在 寒武紀 中期就已存在 [ 1 ] 。. The surface may be smooth, spiny, covered with platelike structures, or ridged. Shell elongate oval or subrectangular in outline, lateral margins subparallel, anterior margin broadly rounded to straight. This is unlike most other shelled marine animals, whose shells are made of calcium carbonate. neqdkv dtpzmj fxvss ogytlj ukv elhu txkyfe xht ygr fuedh fibakdn cprxk savy dxgan syppy