盔菊石

盔菊石學名:)是生存在早白堊紀海洋中的一菊石[1]牠們是盔菊石超科的代表屬。[2]化石被發現於歐洲格陵蘭墨西哥阿根廷等地。[3]

盔菊石屬
化石时期:白堊紀早期
PreЄ
盔菊石(Hoplites dentatus)和多維爾菊石Douvilleiceras mammilatum)的復原圖
科学分类
界: 动物界 Animalia
门: 軟體動物門 Mollusca
纲: 頭足綱 Cephalopoda
目: 菊石目 Ammonitida
科: 盔菊石科 Hoplitidae
亚科: 盔菊石亞科 Hoplitinae
属: 盔菊石屬 Hoplites
Neumayr, 1875
模式种
Ammonites dentatus
(Sowerby, 1821)
亞屬
  • H. (Hoplites) Neumayr, 1875
  • H. (Isohoplites) Casey, 1954
異名
  • Amedroites Cooper & Owen, 2011
  • Daghestanites Glazunova, 1953
  • Lautihoplites Baraboshkin, 1996
  • Odonthoplites Breistroffer, 1947

特徵

盔菊石的殼表有著粗壯的V形肋條,其末端明顯隆起,基部則有膨大的結節。殼體兩側的肋條末端互相交錯排列,於腹側中央則不相連,由一淺溝隔開。殼口為特殊的類六邊形[2][4]

物種[3]

  • Hoplites aguilearae Böse, 1923
  • Hoplites obtusenodosa Retowski, 1893
  • Hoplites symonensis Böse, 1923
  • Neoptychites (Hoplites) wohltmanni van Koenen, 1897

參考文獻

  1. Amédro, F., Matrion, B., Magniez-Jannin, F., & Touch, R. (2014). La limite Albien inférieur-Albien moyen dans l’Albien type de l’Aube (France): ammonites, foraminifères, séquences. Revue de Paléobiologie, 33(1), 159-279.
  2. . [2018-06-06] (中文(繁體)‎).
  3. . [2018-06-06] (英语).
  4. Wright, C. W. (1996). Treatise on Invertebrate Paleontology, Part L, Mollusca 4: Cretaceous Ammonoidea (with contributions by JH Calloman (sic) and MK Howarth). Geological Survey of America and University of Kansas, Boulder, Colorado, and Lawrence, Kansas, 362.
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