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List of data deficient molluscs

List of data deficient molluscs is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand List of data deficient molluscs rather than just read about it. In short: In September 2016, the International Union for Conservation of Nature (IUCN) listed 1988 data deficient mollusc species. Of all evaluated mollusc species, 27% are listed as data deficient.

List of data deficient molluscs — main illustration
List of data deficient molluscs — illustration

Key takeaways

  • List of data deficient molluscs belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect List of data deficient molluscs to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of List of data deficient molluscs from memory before moving on to harder problems.

Reference excerpt

In September 2016, the International Union for Conservation of Nature (IUCN) listed 1988 data deficient mollusc species. Of all evaluated mollusc species, 27% are listed as data deficient. The IUCN also lists 40 mollusc subspecies as data deficient. No subpopulations of molluscs have been evaluated by the IUCN. This is a complete list of data deficient mollusc species and subspecies evaluated by the IUCN.

Gastropods There are 1526 species and 37 subspecies of gastropod evaluated as data deficient.

Vetigastropoda Teinostoma fernandesi Teinostoma funiculatum

Stylommatophora Stylommatophora includes the majority of land snails and slugs. There are 392 species and 32 subspecies in the order Stylommatophora evaluated as data deficient.

Partulids

Subulinids Species

Subspecies

Opeas nothapalinus crenatum Pseudoglessula leroyi fasciata

Achatinellids

Endodontids

Charopids

Helicarionids

Orthalicids

Euconulids

Rhytidids

Streptaxids Species

Subspecies

Zonitids

Pupillids

Polygyrids Species

Subspecies

Helminthoglyptids Species

Shasta sideband (Monadenia troglodytes) Subspecies

Camaenids

Lauriids

Vertiginids

Bradybaenids Species

Subspecies

Euhadra scaevola mikawa

Helicids

Hygromiids

Enids

Other Stylommatophora Species

Subspecies

Idaho banded mountain snail (Oreohelix idahoensis idahoensis) Carinated striate banded mountain snail (Oreohelix strigosa goniogyra)

Littorinimorpha There are 565 species and one subspecies in the order Littorinimorpha evaluated as data deficient.

Strombids Ophioglossolambis violacea

Pomatiids

Hydrobiids

Cochliopids

Bithyniids Species

Subspecies

Gabbiella humerosa tanganyicensis

Moitessieriids

Assimineids

Pomatiopsids

Lithoglyphids

Amnicolids

Stenothyrids

Iravadiids

Truncatellids

Sorbeoconcha There are 97 species and one subspecies in the order Sorbeoconcha evaluated as data deficient.

Batillarids Batillaria mutata

Pleurocerids

Melanopsids

Semisulcospirids Oasis juga (Juga laurae)

Thiarids

Pachychilids

Paludomids Species

Subspecies

Cleopatra bulimoides pauli

Architaenioglossa There are 106 species and one subspecies in the order Architaenioglossa evaluated as data deficient.

Neocyclotids

Cyclophorids Species

Subspecies

Chamalychaeus itonis nakashimai

Pupinids

Diplommatinids

Aciculids

Viviparids

Ampullariids

Lower Heterobranchia species

Cycloneritimorpha There are 30 species and two subspecies in the order Cycloneritimorpha evaluated as data deficient.

Helicinids Species

Subspecies

Pleuropoma zigzac ponapense Pleuropoma zigzac zigzac

Hydrocenids

Neritids

Hygrophila species There are 197 Hygrophila species evaluated as data deficient.

Physids

Acroloxids

Planorbids

Lymnaeids

Chilinids

Latiids Latia lateralis

Neogastropoda There are 113 species in the order Neogastropoda evaluated as data deficient.

Turrids

Marginellids

Buccinids

Muricids

Conids

Eupulmonata

Archaeopulmonata Salinator sanchezi Salinator swatowensis

Bivalvia There are 171 species and three subspecies in the class Bivalvia evaluated as data deficient.

Pectinida Nodipecten magnificus

Unionida There are 95 species in the order Unionoida evaluated as data deficient.

Margaritiferids Margaritifera dahurica Margaritifera laevis

Unionids

Hyriids

Iridinids

Mycetopodids Anodontites elongatus Anodontites trigonus

Venerida There are 74 species and three subspecies in the order Veneroida evaluated as data deficient.

Dreissenids Dreissena iconica

Sphaeriids Species

Subspecies

Musculium hartmanni naivashaens

Cyrenids Species

Subspecies

Corbicula fluminalis cunningtoni Corbicula fluminalis tanganyicensis

Donacids

Solecurtids Novaculina siamensis

Mytilida Sinomytilus morrisoni

Cephalopods There are 291 cephalopod species evaluated as data deficient.

Idiosepiida

Octopuses There are 34 octopus species evaluated as data deficient.

Umbrella octopuses

Argonautids Argonauta cornuta

Cirroteuthids

Grimpoteuthis species

Sepioloida There are 142 species in Sepioloida evaluated as data deficient.

Sepiids

Sepiolids

Sepiadariids

Oegopsina species There are 104 Oegopsina species evaluated as data deficient.

Mastigoteuthidae

Enoploteuthids

Hooked squids

Chiroteuthids

Cranchiids

Octopoteuthids

Other Oegopsina species

Bathyteuthida

See also Lists of IUCN Red List data deficient species List of least concern molluscs List of near threatened molluscs List of vulnerable molluscs List of endangered molluscs List of critically endangered molluscs List of recently extinct molluscs

References

Worked examples

Example 1 — a first encounter with List of data deficient molluscs

Start with the simplest possible case. Write down what List of data deficient molluscs claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to List of data deficient molluscs before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about List of data deficient molluscs ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of List of data deficient molluscs

In research
List of data deficient molluscs appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses List of data deficient molluscs in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
List of data deficient molluscs is common in secondary-school and first-year university syllabi. It links to neighbouring topics IUCN Red List data deficient species, Lists of animals by conservation status, so understanding it makes those chapters shorter.
In everyday life
Look for List of data deficient molluscs outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study List of data deficient molluscs in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what List of data deficient molluscs means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain List of data deficient molluscs out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is List of data deficient molluscs in simple terms?

In September 2016, the International Union for Conservation of Nature (IUCN) listed 1988 data deficient mollusc species. Of all evaluated mollusc species, 27% are listed as data deficient.

Why does List of data deficient molluscs matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study List of data deficient molluscs?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on List of data deficient molluscs.

Tags

  • IUCN Red List data deficient species
  • Lists of animals by conservation status

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