AMINO ACID RACEMIZATION DATING OF FOSSIL BONES. Yearly Review of World and Planetary Sciences
Annual Report About World and Planetary Sciences
Amino Acid Dating Laboratory, Scripps organization of Oceanography, University of Ca, north park, Los Angeles Jolla, California 92093
The Development of Brachiopoda
Sandra J. CarlsonVol. 44, 2016
Brachiopods are (perhaps all too) familiar to your geology pupil that has taken an invertebrate paleontology program; they could very well be less familiar to biology pupils. Even though brachiopods are one of the most significant components of the fossil that is marine . Browse More
Figure 1: Three-dimensional models constructed from computed tomography scans of a mature juvenile of Terebratulina unguicula (CAS183808; locality information: Ca, Cordell Bank nationwide aquatic Sanctu.
Figure 2: opinion cladogram (left), illustrating a theory of phylogenetic relationships among called requests of brachiopods; elongated ellipses that are green terminal sectors denote eight called bra.
Figure 3: Hypotheses of phylogenetic relationship among Spiralia. Red dots suggest nodes with bad or conflicting help, and names which have been related to those clades come in red; blue recta.
Figure 4: Three hypotheses of relationship among extant brachiopods and phoronids. (a) Parsimony analysis of 112 morphological and embryological figures distributed among exemplar taxa from each ex.
Figure 5: Three-dimensional geometry regarding the foot of the two brachiopod lophophore arms (tentacles/filaments absent). Ebony dots suggest the posterior position regarding the lips amongst the two hands. Arrow.
Figure 6: Articulated brachiopod dorsal valve interiors illustrating mineralized lophophore supports tallied in Figure escort in Boulder 7. (a) Brachiophores: paired projections noticeable just underneath strophic hinge line, .
Figure 7: (a) Histogram for the quantity of genera per Phanerozoic time frame possessing certainly one of five several types of mineralized lophophore aids or no mineralized help at all, counted (S.J. Ca.
Figure 8: Generic variety per geological phase within the Phanerozoic Eon, color-coded by ordinal affiliation. Adjusted from Curry & Brunton (2007), with authorization from G. Curry.
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