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Questions tagged [taxonomy]

Questions on the classification of biological organisms, and the methods used for classifying them.

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1answer
722 views

Is a lion a bony fish?

If you ask Wikidata "Does the species lion (Q140) have a parent taxon line up to the Osteichthyes (Q27207, bony fishes)?", it answers yes: ...
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1answer
67 views

What does it mean to have square brackets around a genus name?

For example [Eubacterium] rectale
2
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1answer
51 views

How does taxonomy work? The case of the Avian Dinosaurs

I recently discovered that the class Aves (or Birds) has been renamed Avian Dinosaurs. My question is when this taxonomic denomination achieved the consensus of the scientific community and through ...
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0answers
69 views

What are the sufficient criteria that make an entity a living homo sapiens? [closed]

When I say criteria I mean like x biological functions or y genetics. If it were to be appearance,anatomy. A corpse completely looks like a man. Moreover a person who has had their 4 limbs amputated, ...
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2answers
54 views

What is a “Valid Species”?

I read in a reference book on Google Books (Biology of Termites: a Modern Synthesis, eds. Bignell, Roisin, and Lo) that the termite Heterotermes perfidus found on the South Atlantic island of St ...
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0answers
56 views

Laurasia and Gondwana [closed]

The Cambrian explosion was 540 mya. Laurasia and Gondwana didnt collide until 330 mya. So for 210 million years the land was divided into two large continents. Plants and insects had already colonized ...
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1answer
43 views

Are there species which is debatable if they should be classified as animals or plants?

I'm watching a sci fi series and a character who is a biologist claims "even on Earth there are species which is debatable if they should be classified as animals or plants". I looked for examples of ...
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15 views

Database for Macroinvertebrate Taxonomy

I compiled different data sets of invertebrate occurrences across some countries and now I want to ensure that all the taxonomic information is homogenized and correct. To this end, I am looking for a ...
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0answers
12 views

What type of beetle is this? (Black, with long “mouth”)

I need to identify this beetle specimen. It is found in Malaysia
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1answer
47 views

What are the differences between insects and spiders?

I have always been told that a spider is not an insect, since the former has 8 legs and the latter 6 legs. Is it just a matter of definition and spiders could have been defined as "8-legged insects"? ...
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1answer
29 views

How to define ammonites?

I miss the definition of ammonite. In my opinion, many authors confuse the term "Ammonite" and "Ammonoid". Ammonoids (Ammonoidea) are large group of cephalopods including for example goniatites (...
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23 views

How are asexual species classified?

Are there multiple distinct genetic lineages of asexual species that are closely enough related to not be considered distinct or does any genetic change result in a new species? I would assume there'...
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1answer
45 views

Why is Cannabis Sativa considered a distinct form of Cannabis?

My understanding is that the word Sativa is Latin and means "cultivated." See here: https://en.wikipedia.org/wiki/Sativum Since all cannabis consumed by people is cultivated and grown from seed, ...
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1answer
62 views

Did Plant Cells Evolve from Animal, Protist, or Fungal Cells?

I know protists and animals preceded plants but I am unaware of when fungi arose in relation to plants. At the moment, I cannot find a resource stating how plants evolved from existing kingdoms, or ...
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1answer
39 views

What sauropod genera had a double row of chevron bones in the tail?

I know that Diplodocus is marked by the feature of having a double row of or "double-beamed" chevron bones in the tail, but how diagnostic is this feature if several other sauropods have it? I mean, ...
3
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2answers
194 views

What is (probably) the closest living relative of the trilobite?

The trilobites vanished from the fossil record many millions of years ago, but they were obviously arthropods of some sort. Do we know which animals are their closest living relatives? I've heard both ...
3
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2answers
75 views

Is there a way tell apart dinosaurs from similar extinct reptiles?

When I was a child, I thought I knew what a dinosaur was. But, as I grew older, I was told that many of the extinct species that I thought were dinosaurs (dimetrodons, pterosaurs, plesiosaurs, etc.) ...
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27 views

Is Wikipedia a good source of taxonomy? [duplicate]

I have been quite interested in biology lately,and I would like to know whether it is a good choice to look up taxonomic information there.
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2answers
125 views

Why aren't mammals and reptiles considered amphibians?

We've all heard it: birds descend from dinosaurs, so they're dinosaurs too. But this got me thinking: doesn't this mean that, for instance, all terrestrial vertebrates – including humans – are ...
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0answers
20 views

Using spp. for taxa other than Genus

Can spp. be used for taxa other than genus ? For example Noctuidae spp. meaning certain genera in the Noctuidae family.
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24 views

How many proteins are common to all species? [duplicate]

Are there any proteins that are common to every Species in Earth's biosphere? If so, how many? If not, are there any proteins common to every species of an entire Kingdom? If so, how many? If not, ...
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0answers
33 views

Pre-linnaean names, where can I ask about current IDs?

I run a large website with lots of historical herb books. For the older ones, finding out current botanical names is very difficult. Can I ask here? If not, does anybody know where I could ask what ...
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1answer
49 views

Are All Taxonomic Groups Uniquely Named?

The Linnaean classification system classifies and groups organisms into taxonomic groups: Kingdom, Phylum, Class, etc. Obviously, a clade at any taxonomic level is uniquely determined by its ...
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23 views

How related do life forms need to be to produce hybrids?

Specifically, I'm asking about infertile hybrids like ligers, mules, camas, etc. How closely related do animals need to be?
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1answer
76 views

Why is “VOLVOX” not considered to be in PROTOZA?

Volovox is an Algae, but it moves with the help of Flagella. Protozoa has members that move by Flagella. Why is Volovox taxonomically in the Algae instead of Protozoa?
2
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1answer
246 views

Are bears related to dogs in a similar way to how cats are related to 'panthers'?

I've tried searching on Wikipedia but I couldn't find what family dogs belonged to. Ursidae is 'bears' and Canis is 'dogs' ; Panthera is big cats like:- tigers and jaguars is what I know.
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2answers
418 views

Can two different species in the same genus generally succeed in the same habitat?

This plant-care website writes In the context of plant care, usually most plants within the same genus need the same environmental conditions suitable for plant growth. If the genus of a plant is ...
2
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1answer
19 views

Why is the spirit bear/Kermode bear a subspecies of the American black bear Ursus americanus?

The Kermode bear Ursus americanus kermodei is only found in British Columbia,Canada. The Kermode bear has single nucleotide polymorphism at the melanocortin 1 receptor gene (mc1r) locus which cause ...
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4answers
4k views

Why do both the mango and the bee have “Indica” in their binomial name?

In my textbook, it is written that the binomial name of mango is Mangifera indica and the binomial name of a bee is Apis indica. Now in the name the second part is the name of species. But mango and ...
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1answer
48 views

Hominidae is to hominid as Poaceae is to what?

I considered asking this on English.SE, but decided against it, since it strictly applies to biological nomenclature, which not many of them will know about - particularly that of plants. So, in ...
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40 views

Have traditional categories such as phylum, class, genus, been dispensed with in modern taxonomy?

Looking through the one zoom and EOL projects I see no reference to such categories.
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14 views

Should the infraspecific epithet agree in gender with the genus name?

Let's take the following plant name Gymnocalycium mihanovichii So we were to designate the yellow form of the plant, would it be Gymnocalycium mihanovichii f. aurea because forma is ...
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2answers
114 views

Rank-specific rules for taxonomic classification

There appears to be a very specific (although not universally agreed) list of characteristics that describe what a "species" is--and the list applies to ALL species. Are there similar generic rules ...
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2answers
111 views

Confused about plant phyla

My kids and I are doing a fun project collecting pictures of life in parks and national parks around us. We are trying to classify what we find down to genus and species. However, I'm confused about ...
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0answers
52 views

Identification of Jumping Spider Species

I found this jumping spider (Salticidae family) in Pune/India. Most common species of jumpers in my region is heavy-bodied jumper (Hyllus semicupreus), but this is different species by observing body ...
2
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1answer
81 views

Who are Ursprungliche Eukaryoten?

The school textbook of my daughter (the textbook is written in German) describes the five kingdoms of life: prokaryota, plants, fungi, animals and "Ursprungliche Eukaryoten". These are defined as "...
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2answers
68 views

The parts of the phylogenetic nomenclature that need to be “unique”

I am not quite sure I have sorted through the diversity of approaches to nomenclature, but I had a specific question to help clarify what is going on. Basically I am just wondering what needs to be ...
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0answers
112 views

Example Clade Names in PhyloCode

After looking through the PhyloCode, the only thing I found that looked like an example was in Article 9, Chapter 4: A node-based definition may be abbreviated "<A&B" or "<A&B&C&...
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1answer
51 views

Help me identify this Beetle sp?

I observed many beetles like this in Pune/India in the beginning of rainy season. It was dark green in color with white spots and not too much shiny like many other beetles. Size is about 2cm to 3cm.
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1answer
43 views

Is there a family equivalent to “congener”?

Is there an equivalent word to "congener" but for species in the same family (family in the sense of the taxonomic rank)? "confamer"? "confamiler"??? I know I can just say "species X and other taxa ...
0
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1answer
61 views

Why swordfish aren't put in the same family as Marlins?

Why Swordfish (Xiphias gladius), which are very similar to Marlins, do not belong to the same family as Marlin - Istiophoridae? Both has long bill or a sword in the upper jaw, both has (at least in ...
2
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1answer
80 views

Taxonomy problems on algae: Is Cryptophyta a Phylum or a Class rank?

I am currently interested in algae taxonomy (I am not an expert in the field). I retrieved the taxonomy of my sequences with their NCBI access number via the taxonkit software (https://bioinf....
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1answer
2k views

is there an easy way to remember taxonomy? [closed]

So I have trouble remembering the order of taxonomy for classification. i.e domain>kingdom>phylum>class>order>family>genus>species I can never remember it, is there an good mnemonic to remember them? ...
4
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1answer
63 views

Help me identifiy this moth?

I found this moth in Bengaluru/India. Its body length was nearly 2cm. Brown colored with three yellow rings.
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0answers
60 views

Help me identify this fly species?

I found this fly in Bengaluru/India. It was larger than usual flies. It was more than 1cm in size, with black color which has blue shades in it. I managed to take just this one pic, then it flew away.
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0answers
48 views

Appropriateness of PCA to visualize clusters in genetic data

In many genetic studies, PCA is often utilized to examine genetic cluster in human populations. Rarely is the % variance reported for the components. With human data it's been my experience that the ...
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2answers
128 views

Are Triceratops and Eotriceratops similar enough to be considered as the same genus?

Everybody knows Triceratops, the horned dinosaur from Late Cretaceous North America, who lived 68-66 MYA. In 2007, Eotriceratops xerinsularis was named and described (Wikipedia). It lived in (what is ...
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1answer
111 views

How would I represent this on a cladogram?

So, right now I am making a cladogram (More of a dendrogram) for a kingdom of fictional species, and I'm not exactly sure how to represent a certain relationship. Let's say that the oldest class in ...
3
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1answer
64 views

Identifying flying insect from southern Poland / Upper Silesia area

Yesterday evening, I spotted this quite huge insect at my home in southern Poland (the exact location of the place). Unfortunately, I have only a very low quality pictures available at the moment: ...
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1answer
8k views

Difference between Genus, Genus sp. and Genus spp

What is the difference between the three following sentences? There is significant increase in Bifidobacterium There is significant increase in Bifidobacterium sp. There is significant increase in ...