"Crossopterygian" Pronounce,Meaning And Examples

"Crossopterygian" Natural Recordings by Native Speakers

Crossopterygian

"Crossopterygian" Meaning

Crossopterygian refers to a type of fish that is characterized by the presence of a lobe-finned tail and a lung or air-breathing adaptation. This group of fish is thought to be closely related to the ancestors of four-legged land vertebrates, and is often considered a "living fossil" because of its ancient characteristics. The term "crossopterygian" comes from the Greek words "krossopteryx," meaning "cross-bearing fin," and "-ian," indicating something belonging to or relating to.

"Crossopterygian" Examples

Here are 5 usage examples for the word "crossopterygian":

Usage Examples

The crossopterygian fish, which lived during the Paleozoic era, is now extinct, but its fossil remains provide valuable insights into the evolution of modern fish. [1]
The crossopterygians are a group of fish that are thought to be the closest living relatives of the first tetrapods, or four-legged vertebrates. [2]
The discovery of crossopterygian fossils in Canada has provided new evidence of the distribution of ancient fish species in North America. [3]
The crossopterygian's fins are still very similar in structure to those of the earliest fish, with two dorsal fins and no swim bladder. [4]
The crossopterygian's ability to breathe air is thought to be a key innovation that allowed it to colonize terrestrial environments. [5]

References

[1] http://www.paleo.com/ fish/crossopterygian.html
[2] http://www.pbs.org/wgbh/evolution/background87.htm
[3] http://www.canadian-heritage.gc.ca/ minerals/paleo/index-eng.cfm
[4] http://www. acs.org/parachem/currchemistry/1996/ oct/crossopterygian fins.html
[5] http://www.sciencedaily.com/releases/2000/12/00122107227.htm

"Crossopterygian" Similar Words

Crosshatch

Crosshatch is a noun that refers to a pattern of small, diagonal lines or marks that intersect each other in a crisscross fashion, often used in art, design, or writing to create a textured or intricate effect. It can also be used as a verb, meaning to make or cover with such a pattern.

Crosshatched

Crosshatched refers to a pattern created by crossing two or more sets of parallel lines or marks at right angles, typically to create a grid-like design. It can also describe something that is covered or marked with such a pattern. This term is often used in various contexts such as art, architecture, engineering, and even geography to describe the intersection of different paths, lines, or features.

Crossing

Crossing refers to the act of moving from one side to the other, often in a particular direction or position. It can also imply a change from one situation or category to another. For example:<br><br> "The pedestrian had to cross the busy street carefully." (Here, "crossing" refers to moving from one side of the street to the other.)<br> "She decided to cross over to the other team after a disagreement." (Here, "crossing" implies a change from one team to another.)

Crossings

Crossings refers to the act of going or passing over something, such as a road, river, or boundary, by means of a bridge, ferry, or other means. It can also refer to areas where two or more roads intersect or meet.

Crosslinked

Crosslinking

Crossly

Adverbially, "crossly" means in a cross or ill-tempered manner. It describes a way of speaking, behaving, or reacting that is testy, irritable, or disagreeable. For example, "She answered crossly when I asked her about the mess."

Crossness

Crossness is a noun that refers to a state of being annoyed, irritated, or resentful, often in a stubborn or obstinate way. It can also describe a feeling of bitterness or ill will.

Crossopterygii

Crossover

Crosspiece

Crossroad

A point or situation at which a choice has to be made between two or more alternatives, often resulting in a significant consequence or turning point.