A gangway extended from the concrete pier to the top surface of its hull.
Buried bivalves feed by extending a siphon to the surface.
It lies beneath the substrate with its siphons extended to the surface.
It extends from the base of the skull to the upper surface of the soft palate.
The top of the net could not be seen, but it appeared to extend far beyond camera range, even possibly to the surface.
Depending on various factors, including the yield and characteristics of the burial, this collapse may extend to the surface.
There is one preocular scale, extending to the upper surface of the head, and two or three postoculars.
By this clearer luminance he could make out another upward slope, which must extend almost to the surface.
It lay there, marinating in mud, extending its snorkel to the surface.
B. trigonata one preocular does not extend to the upper surface of the head.