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The dog whelk, dogwhelk, or Atlantic dogwinkle (Nucella lapillus) is a species of predatory sea snail, a carnivorous marine gastropod in the family Muricidae, the rock snails. Nucella lapillus was originally described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae as Buccinum lapillus (the basionym ).
The red abalone's shell length can reach a maximum of 31 cm (12 in), making it the largest species of abalone in the world. [8]The shell is large, thick, dome-shaped, and usually covered with barnacles, vegetation, or other marine growth making the color and shell sculpture difficult to determine.
Haliotis diversicolor squamata. The size of the shell varies between 25 mm and 85 mm. The shell is long and oval. The spire is very near the margin. The surface of the shell is spirally lirate; the lines are unequal, rounded and crossed by low folds indicating former positions of the peristome.
The Registry of World Record Size Shells is a conchological work listing the largest (and in some cases smallest) verified shell specimens of various marine molluscan taxa.A successor to the earlier World Size Records of Robert J. L. Wagner and R. Tucker Abbott, it has been published on a semi-regular basis since 1997, changing ownership and publisher a number of times.
For blacklip abalone, the size limit varies between 138 mm (5.4 in) for the southern end of the state and 127 mm (5.0 in) for the northern end of the state. [37] Greenlip abalone have a minimum size of 145 mm (5.7 in), except for an area around Perkins Bay in the north of the state where the minimum size is 132 millimetres (5.2 in).
Nucella, common name dog whelks or dog winkles, is a genus of small to medium-sized predatory sea snails, marine gastropod mollusks in the subfamily Ocenebrinae which is part of the large family Muricidae, the murex snails or rock snails.
The pinto abalone has an adult shell size of approximately 8 cm (3.1 in) but it can rarely grow as large as 15 cm (5.9 in). The rather thin shell is flattened and ear-shaped. The surface is covered with uneven spiral cords, often very indistinct, and strongly elevated undulations or lumps.
Haliotis midae, known commonly as the South African abalone or the perlemoen, is a species of large sea snail, a marine gastropod mollusk in the family Haliotidae, the abalone. [ 2 ] It is highly sought after by criminal organisations and a thriving black market exists for it, leading to a catastrophic decline in stocks.