Order of Brachiopoda, whose members have spiral brachidia, punctate or impunctate biconvex shells, and a large body cavity. They first appeared in the Middle Ordovician, and are last known from the Lower Jurassic.
Spiriferida
- Glomeromycota
- glomeroporphyritic
- glomerular filtrate
- glomerular filtration rate
- glomerulus
- GLONASS
- GLORIA
- Glorious Revolution
- Glory
- Glossifungites
- glossolalia
- Glossopteris flora
- glossy reflection
- glottal airflow
- glottis
- gloup
- glove box
- GLOW
- glow curve
- glow discharge
- glow-discharge microphone
- glowing
- glowing combustion
- GLS
- glucagon