biology

IUCN Red List of extinct species

IUCN Red List of extinct species 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 IUCN Red List of extinct species rather than just read about it. In short: On 29 January 2010, the IUCN Red List of Threatened Species identified 842 (746 animals, 96 plants) extinct species, subspecies and varieties, stocks and sub-populations. Kingdom Animalia Phylum Arthropoda Class Arachnida Order Holothyrida Family Holothyridae Gardiner's giant mite (Dicrogonatus gardineri) Order Opiliones Family Podoctidae Centrobunus braueri Subphylum Crustacea Order Amphipoda Family Crangonyctidae…

Key takeaways

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

Reference excerpt

On 29 January 2010, the IUCN Red List of Threatened Species identified 842 (746 animals, 96 plants) extinct species, subspecies and varieties, stocks and sub-populations.

Kingdom Animalia

Phylum Arthropoda

Class Arachnida

Order Holothyrida Family Holothyridae Gardiner's giant mite (Dicrogonatus gardineri)

Order Opiliones Family Podoctidae Centrobunus braueri

Subphylum Crustacea

Order Amphipoda Family Crangonyctidae Stygobromus lucifugus

Order Calanoida Family Diaptomidae Tropodiaptomus ctenopus

Order Cyclopoida Family Cyclopidae Afrocyclops pauliani

Order Decapoda Family Atyidae Syncaris pasadenae

Class Diplopoda

Order Spirobolida Family Pachybolidae Eucarlia

Class Insecta

Order Coleoptera Family Carabidae Mecodema punctellum Family Curculionidae Dryophthorus distinguendus Oedemasylus laysanensis Pentarthrum blackburni Rhyncogonus bryani Trigonoscuta rossi Trigonoscuta yorbalindae Family Dytiscidae Hygrotus artus Megadytes ducalis Rhantus novacaledoniae Rhantus orbignyi Rhantus papuanus Perrin's cave beetle (Siettitia balsetensis)

Order Diptera Family Dolichopodidae Campsicnemus mirabilis Family Drosophilidae Drosophila lanaiensis

Order Ephemeroptera Family Ephemeridae Pentagenia robusta Family Siphlonuridae Acanthometropus pecatonica

Order Hemiptera Family Pseudococcidae Clavicoccus erinaceus Phyllococcus oahuensis

Order Lepidoptera Family Geometridae Kona giant looper moth (Scotorythra megalophylla) Scotorythra nesiotes Tritocleis microphylla Family Libytheidae Libythea cinyras Family Lycaenidae Deloneura immaculata Xerces blue (Glaucopsyche xerces) Lepidochrysops hypopolia Family Nepticulidae

Phleophagan chestnut moth (Ectodemia phleophaga) Family Noctuidae Poko noctuid moth (Agrotis crinigera) Midway noctuid moth (Agrotis fasciata) Kerr's noctuid moth (Agrotis kerri) Laysan noctuid moth (Agrotis laysanensis) Agrotis photophila Procellaris agrotis noctuid moth (Agrotis procellaris) Confused moth (Helicoverpa confusa) Minute noctuid moth (Helicoverpa minuta) Laysan dropseed noctuid moth (Hypena laysanensis) Hilo noctuid moth (Hypena newelli) Lovegrass noctuid moth (Hypena plagiota) Kaholuamano noctuid moth (Hypena senicula) Family Pyralidae Genophantis leahi Oeobia sp. nov. Family Tischeriidae Chestnut clearwing moth (Tischeria perplexa) Family Zygaenidae Levuana moth (Levuana iridescens)

Order Odonata Family Coenagrionidae Megalagrion jugorum Family Libellulidae Sympetrum dilatatum

Order Orthoptera Family Acrididae Conozoa hyalina Family Tettigoniidae Neduba extincta

Order Phasmatodea Family Diapheromeridae Pseudobactricia ridleyi

Order Plecoptera Family Chloroperlidae Alloperla roberti

Order Trichoptera Family Hydropsychidae Tobias' caddisfly (Hydropsyche tobiasi) Family Leptoceridae Triaenodes phalacris Triaenodes tridontus Family Rhyacophilidae Rhyacophila amabilis

Phylum Chordata

Class Actinopterygii

Class Cephalaspidomorphi

Order Petromyzontiformes

Order Cypriniformes Family Catostomidae Snake River sucker (Chasmistes muriei) Harelip sucker (Moxostoma lacerum) Family Cyprinidae Acanthobrama hulensis Beyşehir bleak (Alburnus akili) İznik shemaya (Alburnus nicaeensis) Barbus microbarbis Chondrostoma scodrense Cyprinus yilongensis Mexican dace (Evarra bustamantei) Plateau chub (Evarra eigenmanni) Endorheic chub (Evarra tlahuacensis) Thicktail chub (Gila crassicauda) Pahranagat spinedace (Lepidomeda altivelis) Durango shiner (Notropis aulidion) Phantom shiner (Notropis orca) Salado shiner (Notropis saladonis) Clear Lake splittail (Pogonichthys ciscoides) Las Vegas dace (Rhinichthys deaconi) Danube delta gudgeon (Romanogobio antipai) Stumptooth minnow (Stypodon signifer)

Order Cyprinodontiformes Family Cyprinodontidae Aphanius splendens Cyprinodon ceciliae Cachorrito de la Trinidad (Cyprinodon inmemoriam) Parras pupfish (Cyprinodon latifasciatus) Perritos de sandia (Cyprinodon spp.) Ash Meadows killifish (Empetrichthys merriami) Family Poeciliidae Aplocheilichthys sp. nov. 'Naivasha' Amistad gambusia (Gambusia amistadensis) San Marcos gambusia (Gambusia georgei) Pantanodon madagascariensis

Order Gasterosteiformes Family Gasterosteidae Techirghiol stickleback (Gasterosteus crenobiontus)

Order Perciformes Family Cichlidae Ctenochromis pectoralis Haplochromis arcanus Haplochromis artaxerxes Haplochromis bartoni Haplochromis boops Haplochromis cassius Haplochromis decticostoma Haplochromis dentex Haplochromis estor Haplochromis flavipinnis Haplochromis gilberti Haplochromis gowersi Haplochromis longirostris Haplochromis macrognathus Haplochromis mandibularis Haplochromis michaeli Haplochromis mylergates Haplochromis nanoserranus Haplochromis nigrescens Haplochromis nyanzae Haplochromis obtusidens Haplochromis pachycephalus Haplochromis paraguiarti Haplochromis paraplagiostoma Haplochromis percoides Haplochromis pharyngomylus Haplochromis prognathus Haplochromis pseudopellegrini Haplochromis teegelaari Haplochromis thuragnathus Ptychochromis onilahy Ptychochromis sp. nov. 'Kotro' Ptychochromoides itasy Pyxichromis parorthostoma Tristramella intermedia Tristramella magdelainae Xystichromis bayoni Family Percidae Maryland darter (Etheostoma sellare)

Order Salmoniformes Family Retropinnidae New Zealand grayling (Prototroctes oxyrhynchus) Family Salmonidae Longjaw cisco (Coregonus alpenae) Coregonus bezola Coregonus fera Coregonus gutturosus Gravenche (Coregonus hiemalis) Deepwater cisco (Coregonus johannae) Blackfin cisco (Coregonus nigripinnis) Coregonus restrictus Salmo pallaryi Silver trout (Salvelinus agassizi) Salvelinus neocomensis Salvelinus profundus

Order Scorpaeniformes Family Cottidae Utah Lake sculpin (Cottus echinatus)

Order Siluriformes Family Trichomycteridae Rhizosomichthys totae

Class Amphibia

Order Anura Family Bufonidae Atelopus vogli Golden toad (Incilius periglenes) Family Dicroglossidae Nannophrys guentheri Family Hylidae Phrynomedusa fimbriata Family Myobatrachidae Gastric-brooding frog (Rheobatrachus silus) Mount Glorious day frog (Taudactylus diurnus) Family Ranidae Vegas Valley leopard frog (Lithobates fisheri) Family Rhacophoridae Philautus adspersus Philautus dimbullae Philautus eximius Philautus extirpo Philautus halyi Philautus leucorhinus Philautus maia Philautus malcolmsmithi Philautus nanus Philautus nasutus Philautus oxyrhynchus Philautus pardus Philautus rugatus Philautus stellatus Philautus temporalis Philautus variabilis Philautus zal Philautus zimmeri

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with IUCN Red List of extinct species

Start with the simplest possible case. Write down what IUCN Red List of extinct species 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 IUCN Red List of extinct species 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 IUCN Red List of extinct species 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 IUCN Red List of extinct species

In research: IUCN Red List of extinct species 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 IUCN Red List of extinct species 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: IUCN Red List of extinct species is common in secondary-school and first-year university syllabi. It links to neighbouring topics IUCN Red List extinct species, so understanding it makes those chapters shorter.
In everyday life: Look for IUCN Red List of extinct species 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 IUCN Red List of extinct species in 20 minutes

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

Frequently asked questions

What is IUCN Red List of extinct species in simple terms?

On 29 January 2010, the IUCN Red List of Threatened Species identified 842 (746 animals, 96 plants) extinct species, subspecies and varieties, stocks and sub-populations. Kingdom Animalia Phylum Arthropoda Class Arachnida Order Holothyrida Family Holothyridae Gardiner's giant mite (Dicrogonatus gar…

Why does IUCN Red List of extinct species 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 IUCN Red List of extinct species?

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 IUCN Red List of extinct species.