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Illaenus fraternus
Taxonomy
Illaenus fraternus was named by Billings (1865) [Lectotype selected by Whittington 1965]. Its type specimen is GSC 665e (lectotype), a cephalon/head (cranidium), and it is a 3D body fossil.
Sister species lacking formal opinion data
I. ariensis, I. atavus, I. baffinlandicus, I. chiron, I. chudleighensis, I. convergens, I. dalmani, I. esmarcki, I. excellens, I. exstans, I. groenlandicus, I. hinomotoensis, I. incisus, I. intermedius, I. jewensis, I. kayi, I. kuckersiana, I. ladogiensis, I. lusitanicus, I. martineauensis, I. mascei, I. memorabilis, I. peachi, I. punctatus, I. rectus, I. renhuaiensis, I. richardsoni, I. sarsi, I. schmidti, I. schroeteri, I. sinuatus, I. sphaericus, I. sulcifrons, I. tauricornis, I. transmotus, I. transversus, I. weaveri
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Illaenus fraternus Billings p. 276 figs. 262a, b |
| 1925 | Illaenus fraternus Raymond p. 105 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Illaenus fraternus Billings 1865
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Diagnosis
No diagnoses are available