Insecta - Hemiptera - Aphididae

Alternative combination: Archilachnus pennatus

Synonyms: Anconatus bucktoni Scudder 1890, Cataneura absens Scudder 1890, Cataneura rileyi Scudder 1890, Oryctaphis lesueurii Scudder 1890, Oryctaphis recondita Scudder 1890, Sbenaphis uhleri Scudder 1890

Full reference: G. B. Buckton. 1883. Monograph of the British Aphides, Vol IV 1-228

Belongs to Siphonophoroides according to C. Favret 2012

Sister taxa: Siphonophoroides antiqua, Siphonophoroides breineri, Siphonophoroides lassa, Siphonophoroides magnalata, Siphonophoroides orapaensis, Siphonophoroides simplex

Type specimens:

• Siphonophoroides pennatus: 177, an exoskeleton. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
• Anconatus bucktoni: 2067, an exoskeleton. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
• Cataneura absens: Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
• Cataneura rileyi: MCZ 1022, an exoskeleton. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
• Oryctaphis lesueurii: 9405, an exoskeleton. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
• Oryctaphis recondita: 4475, an exoskeleton. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
• Sbenaphis uhleri: 2327, an exoskeleton. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.

Average measurements (in mm): body length 4.28, forewing 6.65 x 2.25, wing length 5.86