Traces of cassid snails predation upon the echinoids from the Middle Miocene of Poland
Traces of cassid snails predation upon the echinoids from the Middle Miocene of Poland
复制标题
波兰中中新世的卡西德蜗牛捕食海胆的痕迹
DOI：
--
复制
发表时间：
2003
期刊：
影响因子：
--
通讯作者：
M. Złotnik
中科院分区：
文献类型：
--
作者：
T. Ceranka;M. Złotnik
科里特尼察盆地中中新世线虫的钻孔是波兰第一个有−记载的卡塞斯捕食化石记录。这些痕迹补充了身体化石记录的卡西德种群的大小和结构的生态信息。在科里特尼察沉积层序的最上面部分--−stegina砂岩中发现了大量的钻孔，这表明在科里特尼察盆地开发的后期曾发生过一次大规模的卡西姆(cassid−)喷发。大多数钻孔的尺寸都很小，这表明在调查区域的化石记录中也存在卡西达科腹足幼体动物。
Drill holes on tests of Echinocyamus linearis from the Middle Miocene Korytnica Basin represent the first well docu− mented fossil record of cassid predation from Poland. These traces complement the ecological information on the size and structure of cassid populations recorded by body fossils. The high number of drill holes recognised from the Hetero− stegina Sands, the uppermost part of the Korytnica depositional sequence, indicates the occurrence of a large cassid popu− lation during the late stage of development of the Korytnica Basin. The small size of most of the drill holes indicates that juvenile gastropods of the family Cassidae, which are not preserved in the fossil record of the investigated area, were also present in the cassid populations.