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Emucarididae
Taxonomy
Emucarididae was named by Paterson et al. (2010). It is not extant. Its type is Emucaris.
It was assigned to Nektaspida by Paterson et al. (2010).
It was assigned to Nektaspida by Paterson et al. (2010).
Subtaxa
Emucaris (type genus), Kangacaris
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Emucarididae Paterson et al. |
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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.
Fm. †Emucarididae Paterson et al. 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. R. Paterson et al. 2010 | Nektaspida with tagmosis composed of cephalic
shield with posterior margin nearly straight and transverse, short thorax of three or four segments, and elongate pygidium, much longer than cephalic shield. First thoracic segment as wide as cephalic shield, without contraction in width behind cephalon. Hypostome elongate, with natant attachment, placed well behind anterior margin of cephalic shield, divided by a transverse suture into a subtrapezoidal anterior half with an anterior wing and shield-shaped posterior half with a rounded posterior margin. Antennae relatively short, laterally deflected from their attachment behind anterior wing of hypostome; three pairs of postantennal cephalic limbs. Pygidium with distinct border furrow. |
Measurements
No measurements are available
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| Source: o = order, p = phylum | |||||
| References: Kiessling 2004, Budd 1999 | |||||