taxon_rank elachorbis subtatei
Tornidae is a ___MASK100___ of very small and minute sea snails with an operculum , marine gastropod mollusks in the clade Littorinimorpha . This ___MASK100___ used to be known as the Vitrinellidae . Iredale has shown that the ___MASK100___ Adeorbidae should be called Tornidae The Gastropoda or gastropods , more commonly known as snails and slugs , are a large taxonomic ___MASK93___ within the ___MASK75___ Mollusca . The ___MASK93___ Gastropoda includes snails and slugs of all kinds and all sizes from microscopic to large . There are many thousands of ___MASK29___ of sea snails and sea slugs , as well as freshwater snails , freshwater limpets , land snails and land slugs . The Southern Alps ( Mori : K Tiritiri o te Moana ) are a mountain range extending along much of the length of New Zealand ' s South Island , reaching its greatest elevations near the island ' s western side . The term " Southern Alps " generally refers to the entire range , although separate names are given to many of the smaller ranges that ___MASK35___ part of it . Elachorbis subtatei is a minute sea snail , a marine gastropod mollusc in the ___MASK100___ Tornidae . It is known only from New Zealand . Snail is a common name that is applied most often to land snails , terrestrial pulmonate gastropod molluscs . However , the common name " snail " is also applied to most of the members of the molluscan ___MASK93___ Gastropoda that have a coiled shell that is large enough for the animal to retract completely into . When the word " snail " is used in this most general sense , it includes not just land snails but also thousands of ___MASK29___ of sea snails and freshwater snails . Occasionally a few other molluscs that are not actually gastropods , such as the Monoplacophora , which superficially resemble small limpets , may also informally be referred to as " snails ". Sea snail is a common name for snails that normally live in saltwater , in other words marine gastropods . The taxonomic ___MASK93___ Gastropoda also includes snails that live in other habitats , such as land snails and freshwater snails . Many ___MASK29___ of sea snails are edible and exploited as food sources by humans . New Zealand is an island nation in the southwestern Pacific Ocean . The country geographically comprises two main landmasses  that of the North Island , or Te Ika - a - Mui , and the South Island , or Te Waipounamu  and numerous smaller islands . New Zealand is situated some east of Australia across the Tasman Sea and roughly south of the Pacific island areas of New Caledonia , Fiji , and Tonga . Because of its remoteness , it was one of the last lands to be settled by humans . During its long period of isolation , New Zealand developed a distinct biodiversity of animal , fungal and plant life . The country ' s varied topography and its sharp mountain peaks , such as the Southern Alps , owe much to the tectonic uplift of land and volcanic eruptions . New Zealand ' s capital city is Wellington , while its most populous city is Auckland . Tonga ( or ; Tongan : " Puleanga Fakatui o Tonga "), officially the ___MASK40___ of Tonga , is a Polynesian sovereign state and archipelago comprising 169 islands of which 36 are inhabited . The total surface area is about scattered over of the southern Pacific Ocean . It has a population of 103 , 000 people of whom 70 % reside on the main island of Tongatapu . Monoplacophora , meaning " bearing one plate ", is a polyphyletic ___MASK9___ of molluscs with a cap - like shell now living at the bottom of the deep sea . Extant representatives were not recognized as such until 1952 ; previously they were known only from the fossil record . Littorinimorpha is a large ___MASK95___ of snails , gastropods within the ___MASK13___ Orthogastropoda , consisting primarily of sea snails ( marine ___MASK29___ ), and also in addition some freshwater snails ( aquatic ___MASK29___ ) and land snails ( terrestrial ___MASK29___ ).