Tarantulas, lobsters, and ladybugs belong to the anthropod phylum. Anthropods are animals without vertebrae who are characterized by an outer skeleton made of chitin.
Phylum Arthropoda.
True spiders i.e. Black-Widow or Tarantula belong to the Order Aranea in the Arthropoda Phylum.
"Arthropods"
Arthropoda.
Arthropoda
The same phylum you belong to! Chordata.
The phylum bulldogs belong in is, Chordate.
Echinoderms belong to the phylum Echinodermata.
Phylum Arthropoda.
Phylum Hepatophyta
Yes, the lobster is an arthropod. In fact, the American lobster is currently the heaviest living arthropod (not counting extinct arthropods).
An insect, such as a butterfly, does not belong to the chordate phylum. Insects belong to the phylum Arthropoda.