{{Taxon list
| †Smithiaceae | Authority
| Jonesiaceae |
| Junkiaceae | Describer
}}

• †Smithiaceae Authority
• Jonesiaceae
• Junkiaceae Describer

• †Smithiaceae Authority
• Jonesiaceae
• Junkiaceae Describer

{{Linked taxon list
| †Smithiaceae | Authority
| Jonesiaceae |
| Junk flowers {{!}} Junkiaceae | Describer <!--creates a piped link-->
}}

• † Smithiaceae Authority
• Jonesiaceae
• Junkiaceae Describer

• † Smithiaceae Authority
• Jonesiaceae
• Junkiaceae Describer

{{Species list
| †Spexia speciosa | Authority, 2003
| †Spexia additiona | Others ''et al''., 2002
| Spexia typa subsp. additiona | Describer, 1888 (type)
| Spexia typa var. additiona | Describer, 1888 (type)
| Spexia typa f. additiona | Describer, 1888 (type)
| Spexia typa ''subsp.'' additiona | Describer, 1888 (type)
| {{extinct}}Spexia dubia |
}}

• †Spexia speciosa Authority, 2003
• †Spexia additiona Others et al., 2002
• Spexia typa subsp. additiona Describer, 1888 (type)
• Spexia typa var. additiona Describer, 1888 (type)
• Spexia typa f. additiona Describer, 1888 (type)
• Spexia typa subsp. additiona Describer, 1888 (type)
• †Spexia dubia

• †Spexia speciosa Authority, 2003
• †Spexia additiona Others et al., 2002
• Spexia typa subsp. additiona Describer, 1888 (type)
• Spexia typa var. additiona Describer, 1888 (type)
• Spexia typa f. additiona Describer, 1888 (type)
• Spexia typa subsp. additiona Describer, 1888 (type)
• †Spexia dubia

{{Linked species list
| †Spexia speciosa | Authority, 2003
| †Spexia additiona | Others ''et al''., 2002
| Spexia typa | Describer, 1888 (type)
| Spexia typa subsp. additiona | Describer, 1888 (type)
| †Spexia dubia{{!}}S. dubia | <!--creates a piped link-->
}}

• † Spexia speciosa Authority, 2003
• † Spexia additiona Others et al., 2002
• Spexia typa Describer, 1888 (type)
• Spexia typa subsp. additiona Describer, 1888 (type)
• † S. dubia

• † Spexia speciosa Authority, 2003
• † Spexia additiona Others et al., 2002
• Spexia typa Describer, 1888 (type)
• Spexia typa subsp. additiona Describer, 1888 (type)
• † S. dubia

{{Bold species list
| †Spexia speciosa | Authority, 2003
| †Spexia additiona | Others ''et al''., 2002
| Spexia typa | Describer, 1888 (type)
| Spexia typa subsp. additiona | Describer, 1888 (type)
| {{extinct}}Spexia dubia |
}}

• †Spexia speciosa Authority, 2003
• †Spexia additiona Others et al., 2002
• Spexia typa Describer, 1888 (type)
• Spexia typa subsp. additiona Describer, 1888 (type)
• †Spexia dubia

• †Spexia speciosa Authority, 2003
• †Spexia additiona Others et al., 2002
• Spexia typa Describer, 1888 (type)
• Spexia typa subsp. additiona Describer, 1888 (type)
• †Spexia dubia