1. Cluster 1: Resting Horizontal Basal Cells (HBCs) 2. Cluster 2: Immediate Neuronal Precursor 1 (INP1) 3. Cluster 3: Globose Basal Cells (GBCs) 4. Cluster 4: Mature Sustentacular Cells 5. Cluster 5: Transitional HBC 2 6. Cluster 7: Immature Sustentacular Cells 7. Cluster 8: Transitional HBC 1 8. Cluster 9: Immature Olfactory Sensory Neurons (iOSNs) 9. Cluster 10: Immediate Neuronal Precursor 3 (INP3) 10. Cluster 11: Microvillous Cells, type 1 11. Cluster 12: Mature Olfactory Sensory Neurons (mOSNs) 12. Cluster 14: Immediate Neuronal Precursor 2 (INP2) 13. Cluster 15: Microvillous Cells, type 2 * small clusters (< 10 cells) were not labeled or included in downstream analyses, due to their size/relative lack of information.