An updated classification of the recent crustacea - download pdf or read online

By David Paul Whistler, Xiaoming Wang, Lawrence G Barnes

ISBN-10: 1891276271

ISBN-13: 9781891276279

Show description

Read Online or Download An updated classification of the recent crustacea PDF

Similar nature & ecology books

Read e-book online Lake Michigan Rock Picker's Guide PDF

An eagerly awaited rock identity advisor for Lake Michigan

Download e-book for iPad: Edge of tomorrow: an Arctic year by Sam Wright

From one of many final nice wildernesses -- the Brooks variety of Alaska, 100 miles contained in the Arctic Circle -- Sam Wright speaks to an rising view of nature as an interconnected, dynamic entire. residing in a hand-built, 12'-by-12' cabin, Wright files seasonal adjustments and his concepts as he and his spouse reside a 12 months in isolation and contemplation.

Read e-book online The Art of Science PDF

Reliable technological know-how isn't really inevitably a e-book approximately nice medical theories, advanced equations, or grand outdated males (or girls) of their laboratories; as a substitute, it’s concerning the areas we draw our idea from; it’s approximately day-by-day workouts and surprising flashes of perception; approximately commitment, and – occasionally – desperation; and the small moments, questions, quests, clashes, doubts and delights that make us human.

New PDF release: Isaac Vossius (1618–1689), between science and scholarship

Generally remembered for his library and for his biblical feedback, Isaac Vossius (1618-1689) performed a critical position within the early sleek eu international of studying. Taking his cue from the not likely bedfellows Joseph Scaliger and Rene Descartes, Vossius released on chronology, biblical feedback, optics, African geography and chinese language civilization, whereas gathering, annotating and promoting one of many century's most valuable libraries.

Additional resources for An updated classification of the recent crustacea

Sample text

Based in part on the fact that there are still gaps in the known life cycle of tantulocarids following the work of Boxshall and Lincoln (1987) and Huys et al. (1993). As Grygier (pers. ’’ Newman (pers. ’’ A recent review of the Facetotecta was provided by Grygier (1996a). , by Newman, 1992), but that rank is changed to infraclass here to accommodate the constituent taxa that have been elevated to (or treated as) orders by Grygier (1987a, b) and Newman (1987, 1996), whose classifications we follow (see also Grygier, 1983a, b, 1987c, 1996b).

Treatment of ostracodes as a subclass of the Maxillopoda has additional problems as well. Wilson (1992) could not find support for placing the former within the latter based on morphological grounds (although Schram and Hof, 1998, point out errors in Wilson’s analysis that, if corrected, would indeed group ostracodes with one cluster of Maxillopoda). Abele et al. (1992) rejected the inclusion of ostracodes in the Maxillopoda on molecular grounds. Spears and Abele (1997) suggest the possibility that, based on molecular data, both Ostracoda and Maxillopoda might be paraphyletic.

Schram (1971, 1986) had argued earlier for separate status of the hoplocarids as well. ’’ Their subsequent paper (Spears and Abele, 1999b) seems (to us) to indicate somewhat stronger evidence that hoplocarids are not eumalacostracans, but the authors are suitably cautious in not saying so. Without firm indications that we should do otherwise, we have maintained separate status for the Hoplocarida and Eumalacostraca. Although a thorough cladistic analysis of fossil and extant crustacean taxa by Schram and Hof (1998) resulted in a tree that showed hoplocarids arising from somewhere within the Eumalacostraca, these authors also noted that forcing the hoplocarids into a ‘‘sister group’’ position to the Eumalacostraca increased tree length by only 1%.

Download PDF sample

An updated classification of the recent crustacea by David Paul Whistler, Xiaoming Wang, Lawrence G Barnes


by David
4.2

Rated 4.62 of 5 – based on 8 votes