Arthropoda and Panarthropoda Laboratory Specimens and Taxonomy

Vocabulary practice flashcards covering taxonomic classifications, anatomical structures, and specimen identifications for Arthropoda and related Panarthropoda phyla.

Limulus Larva W.M.

The whole mount larval stage of the horseshoe crab, belonging to Phylum Arthropoda, Subphylum Chelicerata, Class Merostomata, and Order Xiphosura.

Class Merostomata

A class of chelicerates within Phylum Arthropoda that includes horseshoe crabs of Order Xiphosura and family Xiphosuridae.

Spider W.M.

A whole mount preparation of a spider, classified under Phylum Arthropoda, Subphylum Chelicerata, Class Arachnida, and Order Aranae.

Order Aranae

The taxonomic order of arachnids containing spiders, classified within Phylum Arthropoda, Subphylum Chelicerata, and Class Arachnida.

Order Scorpiones

An order of predatory arachnids containing scorpions, classified under Phylum Arthropoda, Subphylum Chelicerata, and Class Arachnida.

Tick W.M.

A whole mount specimen of a tick, an ectoparasitic arachnid belonging to Phylum Arthropoda, Subphylum Chelicerata, Class Arachnida, and Order Acari.

Mite W.M.

A whole mount slide of a microscopic arachnid classified under Phylum Arthropoda, Subphylum Chelicerata, Class Arachnida, and Order Acari.

Order Acari

The taxonomic order within Class Arachnida and Subphylum Chelicerata that encompasses ticks and mites.

Subphylum Trilobita

An extinct subphylum of marine organisms belonging to Phylum Arthropoda, recognized primarily from fossil remains.

Class Diplopoda

A class of myriapods known as millipedes, characterized by having two pairs of legs per body segment and classified under Phylum Arthropoda, Clade Mandibulata, and Subphylum Myriapoda.

Class Chilopoda

A class of predatory myriapods comprising centipedes, classified under Phylum Arthropoda, Clade Mandibulata, and Subphylum Myriapoda.

Class Ostracoda

A class of small crustaceans enclosed in a bivalved carapace, classified under Phylum Arthropoda, Clade Mandibulata, Clade Pancrustacea, Subphylum Crustacea, and Clade Oligostraca.

Barnacle Nauplius Larva W.M.

The free-swimming whole mount larval stage of a barnacle, classified under Phylum Arthropoda, Clade Mandibulata, Clade Pancrustacea, Subphylum Crustacea, Clade Vericrustcea, and Class Thecostraca.

Class Thecostraca

A crustacean class encompassing barnacles (Cirripedia), classified under Phylum Arthropoda, Clade Mandibulata, Clade Pancrustacea, Subphylum Crustacea, and Clade Vericrustcea.

Class Copepoda

A diverse class of small aquatic crustaceans, exemplified by Cyclops, belonging to Phylum Arthropoda, Clade Mandibulata, Clade Pancrustacea, Subphylum Crustacea, and Clade Vericrustcea.

Daphnia W.M. (Water Flea)

A whole mount specimen of a planktonic water flea classified under Phylum Arthropoda, Clade Mandibulata, Clade Pancrustacea, Subphylum Crustacea, Clade Vericrustcea, Class Branchipoda, Order Diplostraca, and Genus Daphnia.

Order Anostraca

An order of branchiopods including fairy shrimp and Artemia (brine shrimp), lacking a carapace and classified under Class Branchipoda, Clade Vericrustcea, Subphylum Crustacea, Clade Pancrustacea, Clade Mandibulata, and Phylum Arthropoda.

Order Isopoda

An order of dorsoventrally compressed crustaceans, classified under Class Malacostraca, Clade Vericrustcea, Subphylum Crustacea, Clade Pancrustacea, Clade Mandibulata, and Phylum Arthropoda.

Order Amphipoda

An order of laterally flattened malacostracan crustaceans, exemplified by Gammarus, belonging to Clade Vericrustcea, Subphylum Crustacea, Clade Pancrustacea, Clade Mandibulata, and Phylum Arthropoda.

Order Stomatopoda

An order of marine crustaceans containing mantis shrimp, classified under Class Malacostraca, Clade Vericrustcea, Subphylum Crustacea, Clade Pancrustacea, Clade Mandibulata, and Phylum Arthropoda.

Order Decapoda

An order of ten-footed malacostracans that includes crayfish (Genus Procambarus) and crabs (such as Callinectes sapidus), classified under Class Malacostraca, Clade Vericrustcea, Subphylum Crustacea, Clade Pancrustacea, Clade Mandibulata, and Phylum Arthropoda.

Phylum Tardigrada

A phylum of microscopic, eight-legged water bears belonging to Clade Panarthropoda.

Phylum Onychophora

A phylum of unsegmented, caterpillar-like velvet worms, exemplified by Peripatus, belonging to Clade Panarthropoda.

Grasshopper Mouth Parts W.M.

A slide set demonstrating the chewing mouthparts of a grasshopper, consisting of the labrum, mandibles, maxillae (maxilla), and labium.

Insect Legs W.M.

A microscopic preparation displaying four specialized insect leg adaptations reflecting diverse locomotive and behavioral functions.

Melophagus ovinus

A wingless, blood-feeding ectoparasitic dipteran commonly known as the sheep ked, prepared as a whole mount slide.

Insect Antennae W.M.

A whole mount microscopic slide demonstrating seven distinct morphological variations of insect sensory antennae.

Horsefly Wing & Haltere W.M.

A whole mount slide illustrating the functional flight forewing alongside the reduced balancing organ (haltere) characteristic of dipterans.

Grasshopper Malpighian Tubules W.M.

A whole mount preparation of the thread-like excretory and osmoregulatory organs found in insects.

Silkworm Larva Spiracle & Trachea W.M.

A whole mount microscopic slide displaying the external respiratory spiracle opening and branching internal tracheal tubes of a larval silkworm.

Fire Ant Worker W.M.

A whole mount preparation of the non-reproductive sterile female worker caste of a fire ant.

Subphylum Chelicerata

A major subphylum of Phylum Arthropoda characterized by the presence of chelicerae, lacking antennae, and comprising classes Merostomata and Arachnida.

Clade Pancrustacea

A major clade uniting crustaceans (Subphylum Crustacea, including Oligostraca and Vericrustcea) and hexapods within Clade Mandibulata.

Clade Panarthropoda

A higher clade comprising organisms with paired appendages and a cuticle, uniting Phylum Arthropoda, Phylum Tardigrada, and Phylum Onychophora.