Feb 6, 2015
Bradgatia by Bob Nichols of paleocreations.com
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Bradgatia by Bob Nichols of paleocreations.com
Model ofBradgatia linfordensis (20cm tall).
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"Camera lucida drawing of the holotype of Bradgatia linfordensis Boynton & Ford 1995 from the Woodhouse Beds, Maplewell Group of Charnwood Forest, Leicestershire, England, compiled from laser scans with the aid of lighting from about 10 directions. Primary growth tip (Gt) at the apex of the main growth axis, and secondary branching (Sb) in the lower margins, should be noted. There are two rows (Ro, in yellow) along the axis. ‘Rangeomorph’ architecture is displayed (Dd) in 18 to 38 branches, though it is often obscured by overlapping (Ov) between branches with unfurled (Uf) margins (see Fig. 3a). The subdivisions within each row and branch typically have inclined axes that radiate (Ra), as shown at the lower right. Here, the second-order branches that lie within (variously coloured) also have radiating (Ra) sutures. The holotype is about 365 mm in length along its growth axis and 275 mm perpendicular to it. A replica of the holotype is housed in the Leicester City Museu: LEICT G26. 1994. (plastotype)."
From: Evolutionary relationships within the Avalonian Ediacara biota: new insights from laser analysis by Martin D. Brasier and Jonathan B. Antcliffe