粗碟菊石
粗碟菊石屬 | |
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| 粗碟菊石的化石 | |
科學分類 
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| 界： | 動物界 Animalia |
| 門： | 軟體動物門 Mollusca |
| 綱： | 頭足綱 Cephalopoda |
| 目： | †菊石目 Ammonitida |
| 科： | †粗碟菊石科 Pachydiscidae |
| 屬： | †粗碟菊石屬 Pachydiscus Zittel, 1884[1] |
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見內文 | |
| 異名 | |
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粗碟菊石（學名：Pachydiscus），又名厚盤菊石、厚圓盤菊石，是生存於晚白堊紀的一屬菊石，生活在開闊的海域中，游水能力很強。本屬下包括有菊石界中的巨物，殼長達2公尺。[2]國際地層委員會將本屬下Pachydiscus neubergicus化石的始現面訂為白堊紀馬斯垂克期開始的標誌。
特徵
粗碟菊石屬大型菊石，外殼均勻內旋並壓縮，上有短小、微彎的肋條。腹是圓形的。[2]
物種[1]
- Joaquinites fascicostatum
- Pachydiscus (Neodesmoceras)
- Pachydiscus (Pachydiscus)
- Pachydiscus (Parapachydiscus) gardneri
- Pachydiscus (Parapachydiscus) woodringi
- Pachydiscus ashlandicus
- Pachydiscus averilli
- Pachydiscus epiplectus
- Pachydiscus excelsus
- Pachydiscus flexuosus
- Pachydiscus gollevillensis
- Pachydiscus hauthali
- Pachydiscus naumanni
- Pachydiscus neubergicus
- Pachydiscus oregonensis
- Pachydiscus patagonicus
- Pachydiscus riccardi
- Pachydiscus stallauensis
- Pachydiscus steinmanni
- Parapachydiscus albuquerquei
- Parapachydiscus arionis
- Parapachydiscus athena
- Parapachydiscus bidwelli
- Parapachydiscus brasiliensis
- Parapachydiscus bruneti
- Parapachydiscus catarinae
- Parapachydiscus coalingensis
- Parapachydiscus cortinaensis
- Parapachydiscus endymion
- Parapachydiscus eurydice
- Parapachydiscus euzebioi
- Parapachydiscus gettyi
- Parapachydiscus hera
- Parapachydiscus hermes
- Parapachydiscus oceanus
- Parapachydiscus orpheus
- Parapachydiscus panochensis
- Parapachydiscus parahybensis
- Parapachydiscus peninsularis
- Parapachydiscus perseus
- Parapachydiscus poseidon
- Parapachydiscus psyche
- Parapachydiscus reedsi
- Parapachydiscus stanislausensis
- Parapachydiscus sumneri
- Parapachydiscus williamsoni
參考文獻
- ^ 1.0 1.1 Fossilworks: Pachydiscus. [2018-05-28]. （原始內容存檔於2021-01-17） （英語）.
- ^ 2.0 2.1 Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 151. ISBN 0789489848.
外部連結
- Pachydiscus （頁面存檔備份，存於互聯網檔案館） in the Paleobiology Database
延伸閱讀
- Treatise on Invertebrate Paleontology, Part L, Ammonoidea. R.C. Moore, ed. Geological Soc. of America and Univ. Kansas press. p L377-L380.
- A Pictorial Guide to Fossils by Gerard Ramon Case
- Cephalopods Present and Past: New Insights and Fresh Perspectives by Neil H. Landman, Richard Arnold Davis, and Royal H. Mapes
- Kennedy, W. J. (1986). Campanian and Maastrichtian Ammonites from Northern Aquitaine, France (No. 36). Palaeontological association. page 30