Mygalomorph Posted on 27 December 2022 Tarantulas and their relatives, with parallel, backwards-directed fangs and four book lungs. Related Articles: 5th ASA Conference 2018 Bangkok, ThailandGlossary: Book lungGlossary: EnditeGlossary: MaxillaPhD Opportunity: Work on Mygalomorph Spider Systematics and Evolution in Australia