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Secondary evolutionary escalation between Brachiopods and enemies of other prey
Kowalewski, M.; Hoffmeister, A.P.; Baumiller, T.K.; Bambach, R.K. (2005). Secondary evolutionary escalation between Brachiopods and enemies of other prey. Science (Wash.) 308(5729): 1774-1777
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075, more
Peer reviewed article  

Available in Authors 

Keywords
    Evolution; Brachiopoda [WoRMS]; Marine

Authors  Top 
  • Kowalewski, M.
  • Hoffmeister, A.P.
  • Baumiller, T.K.
  • Bambach, R.K.

Abstract
    The fossil record of predation indicates that attacks on Paleozoic brachiopods were very rare, especially compared to those on post-Paleozoic mollusks, yet stratigraphically and geographically widespread. Drilling frequencies were very low in the early Paleozoic («1%) and went up slightly in the mid-to-late Paleozoic. Present-day brachiopods revealed frequencies only slightly higher. The persistent rarity of drilling suggests that brachiopods were the secondary casualties of mistaken or opportunistic attacks by the enemies of other taxa. Such sporadic attacks became slightly more frequent as trophic systems escalated and predators diversified. Some evolutionarily persistent biotic interactions may be incidental rather than coevolutionary or escalatory in nature.

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