caa a22 4500 388017848 CHVBK 20180307124916.0 cr unu---uuuuu 161130e199805 xx s 000 0 eng 10.1017/S0022336000024264 doi S0022336000024264 pii (NATIONALLICENCE)cambridge-10.1017/S0022336000024264 Feldmann Rodney M. Department of Geology, Kent State University, Kent, Ohio 44242 Parasitic castration of the crab, Tumidocarcinus giganteus Glaessner, from the Miocene of New Zealand: Coevolution within the Crustacea [Elektronische Daten] [Rodney M. Feldmann] Feminization of adult male xanthid crabs, Tumidocarcinus giganteus Glaessner, from the Miocene of New Zealand, represents the first notice of the phenomenon in the fossil record. Marked broadening of the abdomen of adult males, to assume a form much like that of mature females and limitation in the size of the major claw likely result from parasitic castration by rhizocephalan, probably kentrogonid, barnacles. A sexually aberrant dakoticancrid, Dakoticancer overanus Rathbun, from the Late Cretaceous of South Dakota (Bishop, 1983) may extend this coevolutionary relationship between parasitic barnacles and decapod crustaceans into the Mesozoic. Copyright © The Paleontological Society Journal of Paleontology Cambridge University Press 72/3(1998-05), 493-498 0022-3360 72:3<493 1998 72 JPA https://doi.org/10.1017/S0022336000024264 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1017/S0022336000024264 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Feldmann Rodney M. Department of Geology, Kent State University, Kent, Ohio 44242 NATIONALLICENCE 773 0- Journal of Paleontology Cambridge University Press 72/3(1998-05), 493-498 0022-3360 72:3<493 1998 72 JPA CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-cambridge