. Scientific Frontline: The Metazoa Explorer

The Metazoa Explorer


Aardvark (Orycteropus afer)
The Aardvark (Orycteropus afer) is the sole extant species of the order Tubulidentata and family Orycteropodidae, representing a distinct phylogenetic lineage within the superorder Afrotheria.

Arapaima (Arapaima gigas)
Arapaima gigas, colloquially known as the pirarucu, is a giant neotropical freshwater teleost belonging to the family Arapaimidae within the order Osteoglossiformes (bonytongues).

Caiman (Caimaninae)
The Caimaninae constitute a subfamily of crocodilians within the family Alligatoridae, distinguished morphologically from true alligators by the absence of a bony septum between the nostrils and the presence of composite ventral osteoderms. 

Glass sponges (Hexactinellida)
The Hexactinellida, commonly known as glass sponges, constitute a class within the phylum Porifera characterized by a skeleton composed of siliceous spicules typically exhibiting triaxon (six-rayed) symmetry.

Herons (Ardeidae)
The Ardeidae are a cosmopolitan family of wading birds within the order Pelecaniformes, comprising herons, egrets, and bitterns.

Honey Bees (Apis mellifera)
Apis mellifera, commonly referred to as the Western honey bee, is a eusocial insect belonging to the family Apidae and the order Hymenoptera.

Horned lizards (Phrynosoma)
The genus Phrynosoma (from the Greek phrynos, "toad," and soma, "body") comprises a distinct group of squamate reptiles within the family Phrynosomatidae, order Squamata.

Humboldt marten (Martes caurina humboldtensis)
The Humboldt marten is a critically imperiled subspecies of the Pacific marten (Martes caurina), belonging to the family Mustelidae and order Carnivora.

Koala (Phascolarctos cinereus)
The Koala (Phascolarctos cinereus) is an arboreal herbivorous marsupial native to Australia and the sole extant representative of the family Phascolarctidae.

Muntjac (Muntiacus)
The Muntjac (Muntiacus) constitutes a genus of small-to-medium-sized ungulates within the family Cervidae, specifically placed in the tribe Muntiacini.

Octopus (Octopoda)
The Octopoda is an order of soft-bodied, eight-limbed mollusks within the class Cephalopoda.

The genus Geococcyx comprises two species of fast-running ground cuckoos within the family Cuculidae and the order Cuculiformes.

Sea anemones (Actiniaria)
The Actiniaria are an order of soft-bodied, predatory marine invertebrates within the class Anthozoa and the phylum Cnidaria. 

Silky Shark (Carcharhinus falciformis)
The Silky Shark (Carcharhinus falciformis) is a large, migratory pelagic shark belonging to the family Carcharhinidae (Requiem Sharks) and the order Carcharhiniformes. It is a circumtropical species, ubiquitously distributed across the Atlantic, Pacific, and Indian Oceans, typically inhabiting the epipelagic zone from the surface down to at least 500 meters, often near continental shelf edges.

Spix's macaw (Cyanopsitta spixii)
Spix's macaw is a medium-sized Neotropical parrot belonging to the family Psittacidae and the order Psittaciformes. It is the sole representative of the monotypic genus Cyanopsitta, distinguished by its cyan-blue plumage and facial skin that fades from grey to white as the bird matures.

Timber rattlesnake (Crotalus horridus)
The Timber rattlesnake (Crotalus horridus) is a venomous pit viper belonging to the family Viperidae and the subfamily Crotalinae. 

Tigers (Panthera tigris)
Panthera tigris constitutes the largest extant species within the family Felidae and the genus Panthera.

Wall lizard (Podarcis muralis)
Podarcis muralis, commonly known as the common wall lizard


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