Byssal notch
WebBatequeus n. gen. is a medium-sized pectinid with equally convex valves, a short byssal notch, anterior auricles smaller than the posterior ones, the left valve with numerous very closely spaced radial riblets that show the imbricated growth lines very well, the right valve with about 30 low, flat-topped radial ribs that can be grooved, and ... WebJan 1, 2014 · From the early Changhsingian to the Induan, byssal notches of Claraia species became narrower, and gradually changed from being ventrally extended to being …
Byssal notch
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WebSep 2, 2024 · Byssal notch is small, narrow and slit-like. Hinge teeth are absent. Adductor muscle scar is kidney- or bean-shaped with the distal extremities of the posterior pedo … WebJan 1, 2024 · Further, Fig. 5 A shows that the greatest shell width of S. bilocularis is located further posteriorly than in M. virgata (Fig. 5 B) where it is situated closer to its anterior byssal notch to provide a wider and flatter shell base (Fig. 4 B) that effects a closer, firmer, contact with the substratum on the exposed rocky intertidal.
WebThe family name Pectinidae, which is based on the name of the type genus, Pecten, comes from the Latin word ‘Pecten’ meaning comb, in reference to a comb-like structure of the shell situated next to the byssal notch.The Irish name “Muirín” means as much as “born of the sea” and Irish legend has it that this was the name of a woman who was transformed into … WebThe byssal notch is broad. The anterior ear is well developed while the posterior ear and sinus are absent. The posterior end of the shell meets the hinge almost at a right angle. …
WebJun 14, 2015 · Auricles, byssal notch and gapes: shell biauriculate, with larger posterior and smaller anterior auricles extremely weakly sinuated, coincident with adjacent shell margins. Commissural line straight. Byssal gape symmetrical, oriented anterodorsally, formed along slightly concave anterior shell margin. Wide posterior gape proximal to … WebAug 1, 2024 · We selected the right shells for the study as they present the byssal notch and a larger nacreous area. We placed every shell (concave side upward) over a soft substrate (either artificial purple stained sand or a polystyrene micro-pearls filled black cushion). We used a Nikon D3200 digital camera with micro-lens (AF-S Micro-Nikkon 60 …
WebThe byssal notch provides space through which the threadlike filaments of the byssus can extend in order to attach or anchor the bivalve to some support. Sometimes known as the Thorny Scallop (the Latin species …
WebApr 27, 2016 · The right valve has a very deep and wide byssal notch and a well-defined, spatulate, long and narrow anterior auricle with a distinct byssal fasciole (Figs. 3n, 4c, 9m). The dorsal margin of this auricle protrudes distally above the hinge axis, but not forming a prominent auricular scroll; the dorsal part of this auricle is on the commissural ... subaru crosstrek no lift wheels and tiresWebComplete twisting of the hypertrophied byssal apparatus to the right accompanied by development of a deep byssal notch in that valve results in the assumption of a pleurothetic habit with intimate attachment by way of a calcified byssus. painful pus filled bumps on faceWebThe foot is a finger-like organ, which spins the byssal threads, which pass through the byssal notch on the ears. The margin of the mantle has two layers the inner layer is finely fringed while the outer is lined with long tentacles with two series totalling 30–36 dark blue or green simple eyes or ocelli in two rows at their base. painful rash on buttWebJun 1, 2010 · The notch is characterized by ventral enlargement due to ventral dissolution and by its contracted anterodorsal outlet due to the accretion of shell material. This is a unique character in... subaru crosstrek off road capabilityWebApr 11, 2024 · 声明：本专栏主要对生命科学领域的一些期刊文章标题进行翻译，所有内容均由本人手工整理翻译。由于本人专业为生物分析相关，其他领域如果出现翻译错误请谅解。1.Neddylation inhibition induces glutamine uptake and metabolism by targeting CRL3SPOP E3 ligase in cancer cells.Neddylation抑制通过靶向CRL3SPOP E3连接酶诱导癌 ... subaru crosstrek offroad buildsWebApr 14, 2024 · Recently Concluded Data & Programmatic Insider Summit March 22 - 25, 2024, Scottsdale Digital OOH Insider Summit February 19 - 22, 2024, La Jolla subaru crosstrek off road reviewsWebIt has prominent auricles ('wings') flanking the triangular beak. The right valve has a shallow, rounded byssal notch at the base of the auricle. The shell has 21-23 radial ribs, with rounded cross-sections on the right valve, and narrower ribs on the left valve. The left (upper) valve is flattened, while the right (lower) valve is more convex. subaru crosstrek off road