Tonkinella breviceps (Kobayashi, 1934)
¸ñ ¸í (Order Name)Corynexochida Kobayashi, 1935
°ú ¸í (Family Name)Oryctocephalidae Beecher, 1897
ÇÐ ¸í (Scientific Name)Tonkinella breviceps Kobayashi, 1934
Çü Å (Morphology)Å©¶ó´Ïµð¿ò(cranidium)ÀÇ µÎºÎ¿¬º¯Àº µµºæ·¯(dobulure)°¡ Àß °¢ÀεǾî ÀÖ°í À§·Î ¼Ú¾Æ ÀÖÀ¸¸ç, ³ÐÀº °íÁ¤º¼°ú 4½ÖÀÇ Ãø¹Ì°£ ÁÖ¸§, ±×¸®°í ÀÛÀº Áß¾Ó µ¹±â°¡ ÀÖ´Â ÈÄµÎºÎ°í¸®¸¦ °®°íÀÖ´Ù. ¹ÌºÎ(pygidium)´Â 5°³ÀÇ Ãàȯ°ú ¸»´Ü Ãàȯ, 13°³ÀÇ ´Á¸·¿± ¹× ¸Å¿ì Á¼Àº ¹ÌºÎ¿¬º¯À» °®°í ÀÖ´Â °ÍÀÌ Æ¯Â¡ÀÌ´Ù.
Å© ±â (Size)µÎºÎ(cephalon)ÀÇ ±æÀÌ 1~4cm, ¹ÌºÎÀÇ ±æÀÌ 1~5cm
»ê Áö (Locality)°­¿øµµ ¿µ¿ù±º ºÏ¸é °ø±â¸® (¾îµÐ°ñ, »ï¹æ»ê ³²»ç¸é)
ÁöÃþ¸í (Formation)¸¶Â÷¸®Ãþ (Machari Formation)
½Ã ´ë (Age)Áß±â įºê¸®¾Æ±â (Middle Cambrian)
Ư ¡ (Remarks)Kashmir¿¡¼­ º¸°íµÈ T. brevicepsÀÇ ¹ÌºÎ(Kobayashi, 1934, pl. 1, fig. 6)´Â ¸¶Â÷¸®Ãþ¿¡¼­ »êÃâµÈ Ç¥º»(Kobayashi, 1935, pl. 15, figs. 8-9; Kobayshi, 1962, pl. 1, fig. 4)°ú µ¿Á¾ÀÌ´Ù. Ä«³ª´Ù(Canada)ÀÇ ½ºÆ¼ºìÃþ¿¡¼­ º¸°íµÈ T. stephensis (Kobayashi, 1935, pl. 15, figs.2-5) ´Â T. breviceps¿Í ¸Å¿ì À¯»çÇÏÁö¸¸ ÀüÀÚ´Â µ¿ÀÏÇÑ ÆøÀÇ µÎºÎ¿¬º¯°ú ´õ Á¼Àº °íÁ¤º¼À» °®°í À־ ÈÄÀÚ¿Í ±¸ºÐµÈ´Ù. ½Ãº£¸®¾ÆÀÇ Paradoxides sacheri-Tomagnostus fissus´ë¿¡¼­ »êÃâµÈ T. khorbuuonkensisÀÇ µÎºÎ(Solovyev, 1989, pl. 7, fig. 9)´Â 3½ÖÀÇ Ãø¹Ì°£ÁÖ¸§°ú ¾ÕÀ¸·Î µÕ±×·± ¸ð¾çÀÇ µÎºÎ¿¬º¯À» °®°í ÀÖÀ¸¸ç ¾ÈÀ¶±â°¡ ¾ø´Â Á¡¿¡¼­ ÀÌ Á¾°ú ±¸ºÐµÈ´Ù.
Âü°í¹®Çå (Reference)
  • Kobayashi, T., 1934. Middle Cambrian fossils from Kashmir. American Journal of Science, 27: 295-302.
  • 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.
  • Resser, C. E., 1938. Fourth contribution to nomenclature of Cambrian fossils. Smithonian Miscellaneous Collections, 97(10): 1-43.
  • Solovyev, I. A. 1988. New Cambrian trilobites from the Northern Siberian Platform. Paleontological Journal, No. 3: 55-63.
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