Infraclass meaning

An infraclass is a taxonomic rank that lies below the class level in biological classification.


Infraclass definitions

Word backwards ssalcarfni
Part of speech The part of speech of the word "infraclass" is a noun.
Syllabic division in-fra-class
Plural The plural of the word "infraclass" is "infraclasses."
Total letters 10
Vogais (2) i,a
Consonants (6) n,f,r,c,l,s

Within the classification system of biological taxonomy, the infraclass is a rank that falls below class and above superorder. It is a subgrouping that helps further organize and categorize organisms based on shared characteristics and evolutionary relationships.

Characteristics of an Infraclass

An infraclass consists of a group of related organisms that share similar features and traits. These shared characteristics can include anatomical, genetic, behavioral, and ecological similarities that distinguish them from other groups within the same class.

Classification System

The classification system used to determine the placement of organisms within an infraclass is based on evolutionary history and genetic relationships. By studying the shared ancestry and common descent of various species, scientists can establish the relationships between different groups of organisms.

Examples of Infraclasses

One example of an infraclass is the Eutheria, which includes all placental mammals. Another example is the Neoptera, which consists of insects that are capable of folding their wings back over their abdomen.

Importance in Biological Research

Understanding the concept of infraclasses is essential for biologists and researchers studying the diversity and relationships between different groups of organisms. By classifying and organizing species into distinct infraclasses, scientists can gain insights into evolutionary patterns and ecological roles.

Shared characteristics and evolutionary relationships play a crucial role in defining an infraclass. By grouping organisms based on these factors, scientists can better understand the diversity and relationships within the natural world.

Overall, the concept of the infraclass is a valuable tool in the field of biology, providing a framework for the classification and study of organisms based on their shared characteristics and evolutionary history.


Infraclass Examples

  1. The infraclass Eutheria includes placental mammals such as humans and dogs.
  2. An example of an infraclass in the class Mammalia is the Marsupialia, which includes kangaroos and koalas.
  3. The infraclass Neoptera comprises insects that can fold their wings flat over their bodies.
  4. Insects belonging to the infraclass Pterygota have wings that are separate from their bodies.
  5. The infraclass Archosauria includes dinosaurs, birds, and crocodilians.
  6. Species in the infraclass Teleostei are characterized by having a bony skeleton and swim bladders.
  7. An example of an infraclass in the plant kingdom is Magnoliidae, which includes magnolias and nutmeg.
  8. In the infraclass Rosidae, plants like roses and strawberries are grouped together.
  9. The infraclass Chelonia comprises turtles and tortoises.
  10. The infraclass Actinopterygii includes ray-finned fishes like trout and goldfish.


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  • Updated 12/04/2024 - 17:52:47