Peratagnostus obsoletus (Kobayashi, 1935) |
¸ñ ¸í (Order Name) | Agnostida Kobayashi, 1935 |
°ú ¸í (Family Name) | Spinagnostidae Howell, 1935 |
ÇÐ ¸í (Scientific Name) | Peratagnostus obsoletus (Kobayashi, 1935) |
Çü Å (Morphology) | µÎºÎ´Â ³ÇüÀ̸ç Ç¥¸éÀº ¸Å²ô·´°í µÎºÎ¿¬º¯°ú ¿¬º¯ÁÖ¸§ÀÌ ¾ø´Â Èıâ įºê¸®¾Æ±âÀÇ ¾Æ±×³ë½ºÆ¼µå »ï¿±ÃæÀÌ´Ù. ±æÀÌ¿¡ ºñÇØ ÆøÀÌ ¾à°£ ³ÐÀ¸¸ç ¹Ì°£Àº ¸Å¿ì Èñ¹ÌÇÏ°Ô ÀÎÁöµÇ°Å³ª À±°ûÀÌ Àß º¸ÀÌÁö ¾Ê´Â´Ù. ±âÀú¿±ÆíÀº °üÂûµÇÁö ¾Ê´Â´Ù. ¹ÌºÎ(pygidium)´Â Ÿ¿øÇüÀÌ¸ç ¹ÌºÎ ¿¬º¯°ú ¿¬º¯ÁÖ¸§Àº ³Ð´Ù. ¹ÌºÎÃ࿱Àº Àß ÀÎÁöµÇÁö ¾ÊÀ¸¸ç ÈĹ̺ΰñħÀº ¾ø´Ù. |
Å© ±â (Size) | ¹èÆÇÀÇ ±æÀÌ 5~10mm |
»ê Áö (Locality) | °¿øµµ ¿µ¿ù±º ºÏ¸é ¸¶Â÷¸® (´ö¿ì, ¸¶Â÷¸®, ºÐ´öÄ¡) |
ÁöÃþ¸í (Formation) | ¸¶Â÷¸®Ãþ (Machari Formation) |
½Ã ´ë (Age) | Èıâ įºê¸®¾Æ±â Àü±â (early Late Cambrian) |
Ư ¡ (Remarks) | ºñ±³Àû ±ä Ãþ¼±¸°£¿¡ °ÉÃÄ »êÃâµÇ¸ç ¸¶Â÷¸®Ãþ(Glyptagnostus reticulatus´ë, Proceratopyge tenue´ë, Hancrania brevilimbata´ë, Eugonocare longifrons´ë)ÀÇ Èıâ įºê¸®¾Æ±â Àü±â ±¸°£¿¡¼ »êÃâµÈ´Ù. Kobayashi°¡ º¸°íÇÑ Agnostus (Lejopyge?) obsoletus¿Í Phoidagnostus obsoletus´Â ¸ðµÎ Peratagnostus obsoletus¿Í µ¿Á¾À̸ç, Áß±¹¿¡¼ º¸°íµÈ Peratagnostus sinicusµµ ÀÌ Á¾°ú µ¿Á¾ÀÌ´Ù. |
Âü°í¹®Çå (Reference) |
- Howell, B. F., 1935. New Middle cambrian agnostian trilobites from Vermont. Journal of Paleontology, 9: 218-221.
- Kobayashi, T., 1935. The Cambro-Ordovician formations and faunas of South Chosen. Paleontology. Part 3. Cambrian faunas of South Chosen with a special study on the Cambrian trilobite genera and families. Journal of the Faculty of Science, Imperial University of Tokyo, Section II, 4(2): 49-344.
- Kobayashi, T., 1962. The Cambro-Ordovician formations and faunas of South Chosen. Part 9, Paleontology 8, The Machari fauna. Journal of the Faculty of Science, University of Tokyo, Section II, 14: 1-152.
- Lee, J. G. and Choi, D. K., 1994. Glyptagnostus and associated trilobites from the Machari Formation, Yeongweol, Korea. Journal of Paleontological Society of Korea, 10(1): 117-136.
- Lee, J. G. and Choi, D. K., 1995. Late Cambrian trilobites from the Machari Formation, Yeongweol-machari Area, Korea. Journal of Paleontological Society of Korea, 11(1): 1-46.
- Öpik, A. A., 1967. The Mindyallan fauna of north-western Queensland. Bureau of Mineral Resources of Australia Bulletin 74(1): 404p., 74(2): 167p.
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