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originally posted by: MDpvc
I happened upon this ugly SOB at work today. It's huge! It's leg span is probably about the same diameter as a golf ball. I've been searching online for quite some time but can't seem to find this spider anywhere. There's a couple that look kind of similar but this looks substantially different than all the pictures I've seen of those.
Cephalothorax and abdomen nearly equal in size. These are very robust spiders. Highly variable in color and pattern above, but usually pale brown or gray with sparse darker markings; sometimes nearly black. Usually a dark gray or black elongate mark on the midline of the top of the abdomen is present (known as a “cardiac mark”). Chelicerae (jaws) may be flushed with orange. Underside of body is jet black with “knee” joints black beneath as well. This ventral pattern varies little and is fairly diagnostic for the species.