. Bulletin. Natural history; Natuurlijke historie. 142 Peabody Museum Bulletin 45 Olenellus Mesonacinae -\ 0 Upper z Middle Olenellus zone OD 0 H 0 i Lower > Z 5_19 Olenellus zone > 1 H 3v- a 0 > > S 0 DO 5 § > ^ §â z ° ^ a "i > 0 1 r l_L J I [^ Elliptocephala Wanneria UU I I I I U. ^ u Figure 23. A phylogenetic tree depicting topology and timing of patterns of speciation in the Olenelloidea. Tree built using information from phylogenetic analyses presented herein and in Lieberman (1998). Stratigraphic correlations and provisional radiometric dates from Ahlberg et al.
. Bulletin. Natural history; Natuurlijke historie. 142 Peabody Museum Bulletin 45 Olenellus Mesonacinae -\ 0 Upper z Middle Olenellus zone OD 0 H 0 i Lower > Z 5_19 Olenellus zone > 1 H 3v- a 0 > > S 0 DO 5 § > ^ §â z ° ^ a "i > 0 1 r l_L J I [^ Elliptocephala Wanneria UU I I I I U. ^ u Figure 23. A phylogenetic tree depicting topology and timing of patterns of speciation in the Olenelloidea. Tree built using information from phylogenetic analyses presented herein and in Lieberman (1998). Stratigraphic correlations and provisional radiometric dates from Ahlberg et al. (1986), Ahlberg (1991), Kirschvink et al. (1991), Rozanov (1992), Bowringet al. (1993), Palmer and Repina (1993), Isachsen et al. (1994),Geyer and Palmer (1995), Brasier et al. (1996), Kaufman et al. (1996), Knoll (1996), Vidal and Moczydlowska-Vidal (1997) and Landing et al. (1998). Solid hnes represent approximate stratigraphic ranges of species. However, in many instances, based on. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Peabody Museum of Natural History. New Haven : The Museum
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